?[垂向]管道 pipe trunk
?[纵向]管道 pipe tunnel
?管件组合 pipe unit assembling
?管扳钳 pipe wrench
?管扳钳 pipe wrench (or spanner)
?布管船 pipelayer
?管路,配管 piping
?管路布置图 piping arrangement
?管路色标 piping color
?管路图 piping diagram
?管路图 piping plan
?配管工作 piping work
?[纵向]管道 pipe tunnel
?管件组合 pipe unit assembling
?管扳钳 pipe wrench
?管扳钳 pipe wrench (or spanner)
?布管船 pipelayer
?管路,配管 piping
?管路布置图 piping arrangement
?管路色标 piping color
?管路图 piping diagram
?管路图 piping plan
?配管工作 piping work
?活塞 piston
?活塞冷却油泵 piston cooling oil pump
?活塞冷却泵 piston cooling pump
?活塞冷却水泵 piston cooling water pump
?活塞排气量 piston displacement
?活塞头,活塞冠 piston head (or crown)
?活塞销 piston pin
?活塞式泵 piston pump
?活塞胀圈 piston ring
?活塞圈,活塞环 piston ring
?活塞环槽 piston ring groove
?活塞杆 piston rod
?活塞热滞 piston seizing
?活塞裙 piston skirt
?活塞速率 piston speed
?活塞弹簧 piston spring
?活塞下部泵作用 piston underside pumping (PUP)
?活塞阀 piston valve
?节,节距,螺距,纵摇 pitch
?螺距角,节距角,纵摇角 pitch angle
?节弦比 pitch chord ratio
?节圆 pitch circle
?节圆直径 pitch circle diameter (PCD)
?螺距规 pitch gauge
?节圆直径比 pitch ratio
?节距速率(螺桨) pitch speed
?螺距面 pitch surface
?螺距板模 pitch template
?纵摇 pitching
?纵摇角 pitching angle