?速长比    speed length ratio

?限速装置    speed limiting device

?速降    speed lose

?接近速率    speed of approach

?对地速度    speed over the ground

?速率比    speed ratio

?减速    speed reduction

?对水速度    speed through the water

?速率试    speed trial

?速率计    speedometer

?粗制锌    spelter

?铜锌硬焊料    spelter solder

?核废料搬运船    spent fuel carrier

?鲸油    sperm oil

?球面轴承    spherical bearing

?球形阀    spherical valve

?钢桅下部五金(用为止索栓插口)    spider (or spider band, or spider hood)

?镜铁    spiegeleisen

?插口,插承    spigot

?插承接合,管口接合    spigot (or faucet) joint

?舷窗插承    spigot of side scuttle

?大钉,道钉    spike

?捻缝工具    spike iron

?小栓    spile

?溢油式雾化器    spill burner (or control) atomizer

?溢损(涡轮机)    spill loss

?溢制(涡轮机)    spill strip

?溢流柜    spill tank

?溢流阀(柴油机燃料泵)    spill valve

?溢型碎波器    spilling breaker

?桅箍    spinder band

?窖层甲板(钻油船)    spinder deck

?心轴,心杆    spindle

?心轴油    spindle oil

?蜗线,螺旋,蜗旋    spiral

?蜗线斜齿轮    spiral bevel gear

?螺旋螺桨    spiral propeller

?蜗旋弹簧    spiral spring

?蜗旋试验    spiral test

?酒精罗经    spirit compass

?酒精灯    spirit lamp

?酒精水平仪    spirit level