?透视图 perspective drawing
?计划评核术 PERT (= program evalu- ation and review technique)
?小旋塞 pet cock
?汽油 petrol
?汽油机 petrol engine
?石油 petroleum
?石油柜 petroleum tank
?石油[挥发]气 petroleum vapour
?石油气 petroleum vapour
?资深乙级船员,士官 petty officer
?公制马力 Pferdstaerke (PS)
?美国管类制造学会 PFI (= Pipe Fabrication Institute, U.S.A.)
?计划评核术 PERT (= program evalu- ation and review technique)
?小旋塞 pet cock
?汽油 petrol
?汽油机 petrol engine
?石油 petroleum
?石油柜 petroleum tank
?石油[挥发]气 petroleum vapour
?石油气 petroleum vapour
?资深乙级船员,士官 petty officer
?公制马力 Pferdstaerke (PS)
?美国管类制造学会 PFI (= Pipe Fabrication Institute, U.S.A.)
?酸咸度 PH (= hydrogen ion concentration)
?相,相位 phase
?进相机(电) phase advancer
?相[位]角,相位差 phase angle (or angle of phase difference)
?变相机(电) phase converter
?相差 phase difference
?相位畸变 phase distorsion
?相位指示器 phase indicator
?相[位迟]滞 phase lag
?相位超前 phase lead
?相位仪 phase meter
?相[位次]序 phase sequence
?相移 phase shift
?移相器 phase shifting device
?酚树脂 phenol resin
?酚树脂涂料 phenolic resin paint
?酚树脂 phenolics
?标[示]距[离]电话机 phone and distance line
?磷青铜 phosphor bronze
?光眼描图机 photo eye tracer
?偏光弹性试验 photoelastic test
?光弹性,偏光弹性学 photo-elasticity
?光电池 photo-electric cell
?光电管 photo-electric cell
?显影落样 photo-marking (or optical marking)
?螺桨船体涡空泡 PHV (= propeller-hull vortex cavitation)
?物理试验 physical test
?拔出试验 pick test
?突杆,冲杆 picker
?洗浸,酸洗 pickling