?窒火装置    smothering arrangement

?瑞典制造标准    SMS (= Sveriges Mekanforbunds Standardcentral-SIS, Sweden)

?美国造船工程学会    SNAME (= The Society of Naval Architects and Marine Engineers, U.S.A.)

?中国造船工程学会    SNAMEC (= The Society of Naval Architects and Marine Engineers of China)

?圆头铆钉    snap (or round) head rivet

?卡规    snap gauge

?圆头槽螺栓    snap head grooved bolt

?扣环    snap ring

?按捺开关    snap switch

?开口滑车    snatch block

?泄汽阀    snifting valve

?泄气阀    snifting valve

?切角(型钢)    snip

?切角端    snip end

?二桅方帆船,横帆帆船    snow

?瑞士标准协会    SNV (= Schweizerische Normenvereiningung, Switzerland)

?皂沫试漏    soap test

?交谊室    social hall

?插座,承座,灯座    socket

?套筒扳手    socket (or box) spanner

?球窝接合,球窝关节    socket and ball joint

?套节接头    socket joint

?套筒扳钳    socket wrench

?苏打旋塞    soda cock

?沙发床    sofa bed

?声纳定位仪    SOFAR (= sound fixing and ranging)

?软钢    soft (or mild) steel

?软铁    soft iron

?软迫紧    soft packing

?软补    soft patch

?软焊料    soft solder

?软焊    soft soldering

?软件(电算)    soft ware

?软水    soft water

?软木    soft wood

?秽水管    soil pipe

?污物管    soil pipe

?秽水管弯头    soil pipe elbow

?国际海上人命安全会议    SOLAS (= The International Convention for The Safety of Life at Sea)

?软焊料    solder

?软焊    soldering

?焊酸(软焊用)    soldering acid