?复热器 recuperator
?红光信号 red flare
?红球灯 red globe lamp
?红丹,铅丹 red lead
?红丹漆 red lead paint
?红丹粉 red lead powder
?左舷[红]灯,红灯 red light
?减速运转 reduced power running
?还原焰 reducing flame
?渐缩管 reducing pipe
?减压阀 reducing valve
?减速装置 reduction gear
?红光信号 red flare
?红球灯 red globe lamp
?红丹,铅丹 red lead
?红丹漆 red lead paint
?红丹粉 red lead powder
?左舷[红]灯,红灯 red light
?减速运转 reduced power running
?还原焰 reducing flame
?渐缩管 reducing pipe
?减压阀 reducing valve
?减速装置 reduction gear
?断面收缩 reduction of area
?减速比,减缩比 reduction ratio
?赘力 redundant force
?雷式黏度计 Redwood viscosimeter
?卷帆带 reef band
?卷帆索圈 reef cringle
?缩帆索 reef point
?帆角补钉 reef tackle patch
?冷藏船,冷冻船,冷藏库,冷冻库 reefer
?冷藏货物,冷冻货物 reefer cargo
?冷藏货柜,冷冻货柜 reefer container
?冷藏空间,冷冻空间 reefer space
?冷藏船,冷冻船 reefer vessel (R.V.)
?卷盘 reel
?卷盘驳船(海洋工程) reel barge
?交错铆接 reeled (or zig-zag) rivet
?主机换装 re-engine
?船底索 reeving (or bottom) line
?周围参考温度 reference ambient temperature
?基准输入 reference input
?基准线,参考线 reference line
?参考船 referent ship
?精炼油 refined oil
?精炼钢 refined steel
?微细化区 refined zone
?反射波 reflected wave
?耐火性,耐火度 refractoriness
?耐火砖 refractory brick
?耐火材料,耐热材料 refractory material
?冷冻剂,冷媒 refrigerant