?螺旋牵条    screwed stay

?船体线图刻划台    scribe (or scrieve) board

?划线针    scriber

?划线刀    scrive knife

?清除器    scrubber

?刷子    scrubbing brush

?水肺    SCUBA (= self-contained underwater breathing apparatus)

?单人桨艇,短桨    scull

?洗涤槽    scullery

?橹座    sculling (or stern) notch

?浮渣吹泄塞    scum (or surface blow off ) cock

?浮渣吹泄阀    scum (or surface blow off ) valve

?浮滓吹泄旋塞    scum (or surface) blow off cock

?浮渣吹泄阀    scum (or surface) blow off valve

?浮渣皿    scum dish

?浮渣盆    scum pan

?排水孔    scupper

?排水管    scupper pipe

?排水阀    scupper valve

?舷窗    scuttle

?饮水器    scuttle butt

?潜水减压室    SDC (= submersible decompression chamber)

?海,浪    sea

?航海船速,营运船速    sea (or service, or sustained) speed

?海锚    sea anchor

?海锚,帆布制袋形锚    sea anchor

?海底门    sea chest

?海底门清除阀    sea chest cleaning valve

?海底旋塞    sea cock

?海底旋塞,海底门    sea cock

?海面状态    sea condition

?通海装置    sea connection

?海况资料    sea data

?耐航性    sea keeping quality

?海上实验室(研究船)    sea labs

?海平面    sea level

?马力余裕    sea margin (SM)

?海里,浬    sea mile

?海难报告书    sea protest (or protest)

?海险    sea risk

?舷护遮    sea screen

?海况    sea state