?磁极屐    pole shoe

?警察巡逻艇    police patrol boat

?多相    poly phase

?聚酯树脂    polyester resin

?聚乙烯    polyethylene (PE)

?多相    polyphase

?聚苯乙烯发泡材    polystyrene (PS) foam

?多变效率(气涡轮机)    polytropic efficiency

?聚氨基甲酸乙酯,保利生    polyurethane (PU)

?聚氨基甲酸乙酯发泡材    polyurethane (PU) foam

?聚乙烯    polyvinyl

?聚乙烯醇    polyvinyl alchol (PVA)

?聚氯乙烯    polyvinyl chloride (PVC)

?浮箱,驳船    pontoon

?浮桥    pontoon bridge

?起重船    pontoon crane

?箱形舱盖    pontoon hatch cover

?箱筏    pontoon raft

?艉艛    poop

?艉旗杆    poop (or ensign) staff

?艉艛甲板    poop deck

?艉艛前端壁    poop front bulkhead

?艉艛栏杆    poop rail

?艏艉托架    poppet

?提动阀    poppet (or puppet) valve

?托架压力(下水)    poppet pressure

?泄气压力(安全阀)    popping pressure

?瓷便器    porcelain bowl

?瓷绝缘体    porcelain insulator

?瓷绝缘体,瓷碍子    porcelain insulator

?瓷管    porcelain tube

?多孔性,气孔    porosity

?多孔熔接金属    porous deposit

?跃水现象    porpoising

?口,汽口门,左舷,港,舷窗,装货口    port

?左舷锚    port (or second, or small ) bower

?排水口盖    port flap (or lid)

?舷窗    port hole

?船籍港    port of registry

?左舷    port side

?港内航速    port speed

?艉纵翼材(木船)    port timber