feel free to jump in and help arrange the vocabulary below in alphabetical order :)
小型马达艇 runabouts
舵叶主构体 rudder main piece
半悬舵承架 rudder horn
甲板舵止器 rudder bracket (or deck stop, or chock)
舵角指示器 rudder angle indicator
每分钟转数 RPM (= revolution per minute)
圆头槽螺栓 round head grooved bolt
概略布置图 rough arrangement
转动驱气阀 rotary scavenging valve
旋转式引擎 rotary engine
旋转换流机 rotary converter
回转空气泵 rotary air pump
浮沉流量计 rotameter
鲁氏鼓风机 Roots blower
横摇记录器 rolling recorder
横摇指示器 rolling indicator
滚子扩管器 roller tube expander
滚轮式涂漆 roller painting
滚子导索器 roller fair-leader (or chock)
滚子导索器 roller fair-leader
滚子输送机 roller conveyer
滚子导索器 roller chock (or fairlead)
驶上驶下船 roll-on / roll-off ship
火箭发射器 rocket launcher
游戏杆机构 rocker mechanism
铆钉工具组 riveting set
铆钉加热炉 rivet heater
竖消防主管 rising fire main
刚塑性崩溃 rigid plastic collapse
硬式救生筏 rigid life raft
索具端装具 rigging end fittings
索具切断器 rigging cutter
罗盘方位线 rhumb line
转速传送器 revolution telegraph
每分钟转数 revolution per minute (RPM)
转数指示器 revolution indicator
逆转齿轮箱 reversing gear box
回动离合器 reversing clutch
倒车涡轮机 reversing (or astern) turbine
可逆转引擎 reversible engine
逆蜗旋试验 reverse spiral test
海关巡逻船 revenue cruiser
循环空气量 return air quantity
限制吃水船 restricted draft vessel
电阻温度计 resistance thermometer
电阻调整器 resistance regulator
电阻高温计 resistance pyrometer
备用给水柜 reserve feed water tank
研究潜水船 research submersible
潜水调查船 research submarine
救难信号灯 rescue signal light
救生呼吸器 rescue breathing apparatus
遥控水位计 remote water level gauge
液面遥示器 remote level indicator
再液化装置 reliquefaction plant
相对波形高 relative wave elevation
调节变阻器 regulating rheostat
登记净吨位 registered net tonnage
登记总吨位 registered gross tonnage
雷式黏度计 Redwood viscosimeter
矩形导波管 rectangular wave guide
列氏温度计 Reaumur thermometer
反动涡轮机 reaction turbine
反作用应力 reaction stress
重量损失率 rate of weight loss
棘轮曲柄钻 ratchet brace (or drill)
撞锤张力机 ram tensioner
高艉主甲板 raised quarter deck
内外迭接法 raised and sunken system
放射线试验 radiographic test
放射线检查 radiographic inspection
放射线照相 radiograph
无线电导航 radio navigation
无线电传真 radio facsimile
无线电浮标 radio buoy
无线电示标 radio beacon
辐射过热器 radiation superheater
辐射高温计 radiation pyrometer
径向加速度 radial acceleration
雷达导波管 radar wave guide
破裂试验 rupture test
坞外修理 running repair
运航成本 running cost
舵杆箱道 rudder trunk
舵填料函 rudder stuffing box
制舵止器 rudder stopper
舵式艉鳍 rudder skeg
扇形舵柄 rudder quadrant
舵式车叶 rudder propeller
舵针衬条 rudder pintle strap
应急舵链 rudder pendent chain (or boggin line)
应急舵链 rudder pendant chain
下部舵杆 rudder lower stock
舵十字头 rudder cross-head
舵颈接头 rudder coupling
舵展弦比 rudder aspect ratio
橡皮地砖 rubber tile
橡皮迫紧 rubber packing
衬橡胶轴 rubber lining shaft
橡皮软管 rubber hose
橡皮碰垫 rubber fender
顶桅帆桁 royal yard
顶桅支索 royal stay
顶桅支索 royal backstay
逃生路径 route of escape
围网渔船 roundhaul netter
弧形舷缘 rounded gunwale
圆型船 round bilge
圆柱吊架 round bar davit
粗面阻力 roughness resistance
粗糙度值 roughness height (or magnitude)
粗糙裕度 roughness allowance
粗检查 rough-turn inspection
汹涛阻力 rough water resistance
转子绕组 rotor winding
转动质量 rotating mass
旋转磁场 rotating field
旋转式泵 rotary pump
绳槽滑轮 rope sheaves
护索设施 rope guard
背面焊接 root running
初层焊道 root pass
根部龟裂 root crack
根弯试验 root bend test
根缝弯曲 root bend
横摇周期 rolling period
横摇力矩 rolling moment
横摇试验 rolling experiment
滚子下水 roller launching
滚子间隙 roller clearance
滚子凸轮 roller cam
滚子系桩 roller bitt
滚子轴承 roller bearing
辊轧材料 rolled material
滚动焊接 roll welding
辊轧号数 roll number
游戏杆轴 rocking lever shaft
火箭信号 rocket signal
火箭尾索 rocket line
摇篮型船 rocker type boat
游戏杆轴 rocker shaft
铆接压力 riveting pressure
铆接结构 riveted structure
铆接凸缘 riveted flange
铆钉工作 rivet work
铆钉工具 rivet tool
铆钉间距 rivet spacing
铆钉头模 rivet snap
铆钉节距 rivet pitch
截铆钉器 rivet cutter
铆钉接合 rivet connection
铆钉条材 rivet bar
铆钉头机 rivet and bolt header
内河汽船 river steamer
内河炮艇 river gunboat
环圈润滑 ring lubrication
环缘接合 ring joint
环状肋骨 ring frame
环形舱壁 ring bulkhead
带环螺栓 ring bolt
绞孔螺栓 rimer bolt
刚体运动 rigid-body motion
扶正力矩 righting moment
扶正力偶 righting couple
扶正力臂 righting arm (or lever)
右旋螺纹 right handed thread
右旋螺桨 right hand propeller
右旋引擎 right hand engine
桅索支座 rigging support
帆缆工场 rigging shop
紧索螺钉 rigging screw
帆缆工作 rigging and sail work
艏艉缆桩 riding bitts
天遮支柱 ridge support
骑内龙骨 rider keelson
浸水船况 riddled condition
煮饭汽锅 rice boiler
无线干扰 RFI (= radio frequency interference)
旋转磁场 revolving (or rotating) field
旋转磁场 revolving (or rotating ) field
逆转试验 reversing test
换向开关 reversing switch
逆转杠杆 reversing lever
逆转指示 reversing index
逆转手轮 reversing hand wheel
逆转装置 reversing gear (or arrangement)
逆转引擎 reversing engine
反向驱气 reversed scavenge
反向角材 reversed angle bar
回行冲程 return stroke
反光材料 retro-reflective materials
阻碍药剂 retarding agent
限制水域 restricted water
制止垫环 restrained packing ring
共振曲线 resonance curve
共振吸收 resonance absorption
有阻横摇 resisted rolling
电阻焊接 resistance welding
阻力试验 resistance test
电阻开关 resistance switch
阻力系数 resistance coefficient
电阻对焊 resistance butt welding
电阻硬焊 resistance brazing
电阻合金 resistance alloy
树脂含量 resin content
剩余阻力 residuary resistance
残留应力 residual stress
备用给水 reserve feed
备用油柜 reserve (or spare) oil bunker
备用煤舱 reserve (or spare) coal bunker
海上整补 replenishment-at-sea (RAS)
反复应力 repeated stress
反复负荷 repeated load
反复应力 repeat stress
修理规范 repair specification
可移压载 removable ballast
遥控载具 remote operated vehicle (ROV)
应急舵具 relieving tackle
释放装置 releasing device
释放压力 release pressure
放泄管路 release line
放泄旋塞 release cock
相对速度 relative velocity
相对速率 relative speed
相对横摇 relative rolling
相对运动 relative motion
强化塑料 reinforced plastics
再热因子 reheat factor
再热循环 reheat cycle
回归分析 regression analysis
登记吨位 register tonnage
登记宽度 register breadth
冷冻循环 refrigeration cycle
冷冻循环 refrigerating cycle
冷冻能力 refrigerating capacity
微细化区 refined zone
基准输入 reference input
交错铆接 reeled (or zig-zag) rivet
帆角补钉 reef tackle patch
卷帆索圈 reef cringle
断面收缩 reduction of area
减速装置 reduction gear
减速运转 reduced power running
红光信号 red flare
方形锅炉 rectangular boiler
重新入级 reclassification
推算船位 reckoning (or dead recking)
交替定理 reciprocity (or recipro- cal) theorem
凹入舱壁 recess bulkhead
接收天线 receiving antenna
绞孔螺栓 reamer (or rimer) bolt
实时作业 real-time operation
真滑流率 real slip ratio
反动式舵 reaction rudder
反动轮叶 reaction blade
主机换装 re-engine
额定寿命 rating life
额定功率 rated power
额定出力 rated output
额定马力 rated horsepower
手动锚机 ratchet windlass
棘轮装置 ratchet gear
棘轮摇钻 ratchet brace (or drill)
棘轮与爪 ratchet and pawl
棘轮摇钻 ratchat drill (or brace)
防鼠构造 rat proof construction
郎肯循环 Rankine cycle
视线范围 range of visibility
稳度范围 range of stability
距离误差 range error
随机程序 random process
随机负荷 random load
冲击喷射 ram-jet
冲击艏柱 ram stem
螺叶后倾 rake of blade
火车渡船 railway ferry
栏杆支柱 rail stanchion
回转半径 radius of gyration
曲率半径 radius of curvature
无线电话 radio telephone
无线电报 radio telegraph
无线电台 radio station
无线电室 radio room
无线干扰 radio frequency interference (RFI)
电子罗经 radio compass
辐射损失 radiation loss
辐射锅炉 radiant (or radiation) boiler
径向速度 radial velocity
径向应力 radial stress
星形明轮 radial paddle wheel
径向运动 radial motion
径向叶轮 radial impeller
星形引擎 radial engine
旋臂钻床 radial drilling machine
旋臂钻床 radial drill
星形气缸 radial cylinder
径向间隙 radial clearance
径向叶隙 radial blade clearance
径向轴承 radial bearing
旋臂吊架 radial (or luffing) davit
雷达天线 radar aerial
动钢索 running wire
消耗品 running store
航行灯 running light
动滑车 running block
流出量 run-off
舵颈圈 rudder trunk collar
舵转矩 rudder torque
舵止器 rudder stopper
止舵针 rudder lock pintle
舵合叶 rudder hinge
舵针承 rudder gudgeon (or brace)
舵装置 rudder gear
舵拉索 rudder bracing wire
舵轴承 rudder bearing
舵面积 rudder area
垃圾筒 rubbish shoot (or chute)
防擦板 rubbing strake (or strip)
橡皮管 rubber tube
橡皮垫 rubber mat
橡皮舟 rubber dinghy
橡皮艇 rubber boat
划桨船 row boat
纱束布 roving cloth
圆形艉 round stern
圆底船 round bottom
粗糙度 roughness
转子轮 rotor wheel
转子轴 rotor spindle (or shaft)
转子轴 rotor shaft (or spindle)
转筒阀 rotary sheeve valve
旋转泵 rotary pump
眼板箱 rose box
绳碰垫 rope fender
绳迫紧 rope (or cord) packing
穿透率 ROP (= rate of penetration)
鲁氏泵 Roots pump
龙骨 rolling chock (or bilge keel)
横摇角 rolling angle
滚子架 roller stand
滚子座 roller seat
滚子链 roller chain
圆碰垫 roll fender
游戏杆 rocking lever (or bar)
游戏杆 rocking bar (or level)
游戏杆 rocker
铆接机 riveting machine (or riveter)
组铆法 riveting in groups
铆接锤 riveting hammer
铆接管 riveted tube
铆接管 riveted pipe
铆钉钳 rivet tongs
铆钉钢 rivet steel
铆钉栓 rivet shank
铆钉尾 rivet point
铆钉机 rivet machine
铆钉铁 rivet iron
铆钉孔 rivet hole
铆钉炉 rivet heater
铆钉头 rivet head
铆钉炉 rivet forge
铆钉夹 rivet clipper
铆钉锤 rivet buster
内河船 river boat
升流管 riser pipe
环插口 ring spigot
救生圈 ring life buoy (or life ring)
未净钢 rimmed steel
未净钢 rimed steel
右搓索 right hand lay
帆索图 rigging plan
锚泊灯 riding light
天遮索 ridge rope
天遮杆 ridge pole
骑肋骨 rider frame
变阻器 rheostat (or adjustable resistance)
雷诺数 Reynolds number
转数表 revolution indicator
转数计 revolution counter
修正图 revised plan
逆转臂 reversing arm
逆转轴 reversing (or weigh) shaft
可逆性 reversibility
副肋骨 reversed frame
反射炉 reverberatory furnace
回响室 reverberant chamber
缉私船 revenue cutter
回弯管 return bent pipe
回弯管 return bend
逆转机 return action engine
减速器 retarder
决议案 resolutions
电阻器 resistor
电热器 resistance heater
电阻箱 resistance box
树脂漆 resin paint
弹性能 resilience
残剩油 residue fuel
残存油 residual oil
研究船 research ship
救难艇 rescue boat
整补站 replenishment station
修船坞 repair dock
沈淀柜 renovating (or settling) tank
澄清柜 renovating (or setting) tank
遥控阀 remote operated valve
备用灯 relieving lamp
调压环 relieve frame (or ring)
调压环 relieve frame (or ring )
泄压阀 relief valve
调压环 relief ring (or frame)
调压环 relief frame (or ring)
可靠性 reliability
受补船 releiving ship
放泄阀 release valve
施放轨 release track
替续器 relay
相对值 relative value
重热炉 reheating furnace
再热器 reheater
再热室 reheat chamber
调整器 regulator
调整阀 regulating valve
规则波 regular wave
再生器 regenerator
冷冻吨 refrigerating ton
冷冻量 refrigerating capacity
耐火砖 refractory brick
反射波 reflected wave
精炼钢 refined steel
精炼油 refined oil
参考船 referent ship
船底索 reeving (or bottom) line
缩帆索 reef point
卷帆带 reef band
减压阀 reducing valve
渐缩管 reducing pipe
还原焰 reducing flame
红丹粉 red lead powder
红丹漆 red lead paint
红球灯 red globe lamp
复热器 recuperator
整流器 rectifier
记录器 recorder
建议案 recommendation
往复泵 reciprocating pump
往复机 reciprocating engine
再辉点 recalescent point
绞孔机 reaming machine
绞孔凿 reaming iron
真滑流 real slip
真螺距 real pitch
反应级 reaction stage
藤碰垫 rattan fender
桅索梯 ratlines (or ratlings)
穿透率 rate of penetration (ROP)
膨胀率 rate of expansion
燃烧率 rate of burning
防鼠板 rat guard
菜子油 rapeseed oil
后艉灯 range light (or after range light)
测距仪 range finder
冲击比 ram ratio
斜艏柱 raked stem
提升管 raising pipe
报务员 radio (or wireless) operator
无线电 radio
散射波 radiation (or scattering) wave
辐射面 radiating surface
辐射热 radiant heat
径向轴 radial axle
雷达桅 radar mast
雷达图 radar chart
竞赛艇 racing boat
画线针 race knife
嵌槽线 rabbet line
动索 running rigging
运转 running
梯级 rung
舵轭 rudder yoke
舵杆 rudder stock
舵柱 rudder post
舵板 rudder plate
舵图 rudder plan
舵针 rudder pintle
轴承 rudder gudgeon (or brace)
舵肋 rudder frame
舵翅 rudder fin
舵链 rudder chain
舵承 rudder carrier
舵帽 rudder cap
舵承 rudder brace (or gudgeon)
舵叶 rudder blade
舵角 rudder angle
舵柄 rudder (or steering) tiller
顶桅 royal mast
划船 rowing vessel
桨架 row lock (or oarlock)
桨架 row lock
纱束 roving
垫片 rove
栏杆 roughtree rail
粗面 roughened surface
狂浪 rough sea
转子 rotor
转阀 rotary valve
索工 rope maker
索夹 rope clip
索带 rope belt
滚锥 rolling cone
滚板 roller plate
滚道 roller path
轧管 rolled tube
轧钢 rolled steel
轧铁 rolled iron
轧条 rolled bar
鼠害 rodent
摇轴 rocking shaft
摇臂 rocker arm
岩绵 rock wool
铆接 riveting
铆缝 rivet seam
铆接 rivet joint
铆钉 rivet
升管 risers
环封 ring seal
环板 ring plate
总环 ring main
油环 ring lubricator (or oiler)
环规 ring gauge
绞刀 rimer (or reamer)
轮缘 rim
索具 rigging
枪架 rifle stand
脊线 ridge line
骑板 rider plate
米仓 rice store
饭锅 rice boiler
支材 ribband
救回 retrieval
共振 resonance
树脂 resin
剩磁 residual magnetism
贮器 reservoir
眼钩 reserve eye hook
补焊 repair welding
修理 repair
改装 renovation
遥控 remote control
余水 remained water
余料 remainder
磁阻 reluctance
退料 rejected material
焊冠 reinforcement of weld
再热 reheat
赛船 regatta
卷盘 reel
赘力 redundant force
绞刀 reamer
原料 raw material
棘轮 ratchet wheel
棘轮 ratched wheel
防鼠 rat proof
菜油 rape oil
坡道 ramp way
撞锤 ram
半径 radius
辐射 radiation
星型 radial fin type
雷达 radar
空转 racing
级进变速装置 run-through change gear
舵杆环首螺栓 rudder eye
龙骨耐摩护板 rubbing (or slab) keel
橡胶绝缘电缆 rubber insulated cable
苏联验船协会 RS (= Register of Shipping of U.S.S.R.)
顶桅帆桁吊索 royal lift
旋转式驱气阀 rotary scavenging valve
旋转式换流机 rotary converter
旋转式压缩机 rotary compressor
旋转式空气泵 rotary air pump
摇篮型船龙骨 rocker keel
游戏杆支点轴 rocker fulcrum shaft
环圈润滑轴承 ring lubrication bearing
可变螺距螺桨 reversible pitch propeller
可逆转式引擎 reversible engine
回流式燃烧器 return type burner
拘限水域效应 restricted water effect
电阻丝应变计 resistance wire strain gauge
远隔批次作业 remote batch processing
替续器调速器 relay governor
相对运动雷达 relative motion radar
钢筋混凝土船 reinforced concrete vessel
再热式涡炉机 reheating turbine
再生式涡轮机 regenerative turbine
废弃物处理船 refuse treatment ship
废弃物焚化船 refuse incinerating ship
周围参考温度 reference ambient temperature
随机取样试验 random sampling test
无线电测向仪 radio direction finder
无线电测向仪 radio compass (or direction finder)
弧臂阀动机构 radial valve gear
径向流涡轮机 radial flow turbine
径向暂置环圈 radial dummy ring
运转中平衡试验 running balance test
放射线透过检查 RT (= radiographic testing)
转鼓式热交换器 rotary-drum regenerator
火箭信号发射座 rocket socket
意大利验船协会 RI (= Registro Itliano Navale, Italy)
逆螺纹操舵装置 reversed screw steering gear
反向功率继电器 reverse power relay
倒及减速装置 reverse and reduction gear
反应振幅运算子 response amplitude operator (RAO)
闪弧对接电阻焊 resistance flash butt welding
意大利验船协会 Registro Italians (RI)
再生式热交换器 regenerating heat exchanger
复热式热交换器 recuperative heat exchanger
接收天线多耦器 receiving antenna multicoupler
转向速率指示计 rate of turn indicator
撞锤冲击试验机 ram impect testing machine
撞锤冲击试验机 ram impact testing machine
放射线透过检查 radiographic testing (RT)
放射线焊接检验 radiographic search of weld
齿条与齿轮联动 rack and pinion gearing