?水坑,集油池    sump

?阳光甲板    sun deck

?日光甲板    sun deck

?日光屏    sun screen

?杂物室    sundry space

?低艏艛    sunken forecastle

?低艏艛甲板    sunken forecastle deck

?低艉艛    sunken poop

?低艉主甲板    sunken quarter deck

?超导同极直流电机    super conducting homopolar DC machine

?超高压锅炉    super high pressure boiler

?超空蚀    supercavitating

?超空蚀螺桨    supercavitating propeller

?增压    super-charge

?增压引擎    supercharged engine

?增压机    supercharger

?增压器关断试验    supercharger cut off test

?增压鼓风机    supercharging blower

?增压泵    supercharging pump

?过冷    supercooling

?超临界运转    supercritical operation

?超级巨舰    superdreadnought

?表面捻缝    superfacial caulking

?超[级]光[制]    superfinishing

?过热蒸汽    superheated steam

?过热器    superheater

?迭加原理    superposition principle

?过饱和蒸汽    supersaturated steam

?超音波探测器    supersonic (or supersonic flow) detector

?超音波回声测深仪    supersonic echo sounder

?船艛建筑,上层建筑    superstructure

?船艛甲板    superstructure deck

?艛端    superstructure end

?超级油轮    supertanker

?补充[给水]阀    supplementary (or extra) feed (or make-up) valve

?补助空气    supplementary air

?补助给水    supplementary feed

?补助阀    supplementary valve

?供给管    supply pipe

?供给管,给水管    supply pipe

?补给船    supply ship

?供给系统,给气通风    supply system