?主柱间横拉索    spanner stay

?转动扳钳    spanner wrench

?跨索储放眼板    spanwire stowage padeye

?跨索绞机    spanwire winch

?圆材,梁    spar

?双吊杆联合作业装置    spar and boom gear

?间距垫材    spar ceiling

?间距保护条    spar ceiling (or sparring)

?轻[结构]甲板    spar deck

?轻甲板    spar deck

?轻甲板船    spar deck vessel

?浮圆柱型钻油船    spar type drilling ring

?慢干性清漆    spar varnish

?煤货兼用舱    spare (or reserve) bunker

?备用锚    spare anchor

?备用煤舱    spare coal bunker

?备用配件(机舱)    spare gear

?备品    spare gear (or parts)

?备用机器    spare machine

?备用油柜    spare oil bunker

?备品    spare parts (or spares)

?备品    spares

?蒸汽清舱(液化瓦斯船)    spargine

?火花,火星    spark

?火花防止器    spark arrester

?点火分配器    spark distributor

?火花[间]隙    spark gap

?火花间隙    spark gap

?火花点火器    spark igniter

?引燃机    spark ignition (SI) engine

?火花塞,火星塞    spark plug

?飞火花试验    sparkover test

?板条椅    sparred seat

?夹条板,保护条    sparring

?焊溅物    spatter

?焊溅损失    spatter loss

?焊溅率    spattering percentage

?传话筒    speaking (or voice) tube

?传话管    speaking (or voice) tube

?传声器,麦克风    speaking trumpet (or megaphone)

?特种空间    special category space

?特别柔软钢索    special flexible wire rope