?潜水泵    submersible (or submerged) pump

?潜水减压室    submersible decompression chamber (SDC)

?可潜式    submersible type

?潜水载具    submersible vehicle

?地层钻具安置法(钻油井)    subsea completion

?海底石油生产系统    subsea production system (SPS)

?后续检验    subsequent survey

?下层台架(钻油船)    substructure

?次表面    subsurface

?面下缺陷    subsurface defect

?次瞬时阻抗    subtransient impedance

?吸取    suction

?吸入箱    suction box

?吸入送风    suction draft

?吸管式挖泥船    suction dredger

?吸取挖泥船    suction dredger

?吸入滤器    suction filter

?吸入式燃气引擎    suction gas engine

?吸入式燃气产生器    suction gas producer

?吸引水头    suction head

?吸引软管    suction hose

?吸入口    suction inlet

?吸引升力    suction lift

?吸入管路    suction line

?吸入管    suction pipe

?吸入压力    suction pressure

?吸入泵    suction pump

?吸气冲程,吸入冲程    suction stroke

?吸入阀    suction valve

?苏彝士运河舵    Suez Canal rudder

?苏彝士运河探照灯    Suez Canal searchlight

?苏彝士运河吨位    Suez Canal tonnage

?苏彝士运河吨位证书    Suez Canal tonnage certificate

?套房    suit room (or suite)

?硫脆裂    sulphur crack

?夏期吃水标    summer draft mark

?夏期载重线    summer loadline (S)

?夏期油舱    summer tank

?夏季油柜    summer tank

?夏季油舱管    summer tank pipe

?夏期木材载重线    summer timber load line

?夏期区域    summer zone