压力变动 pressure variation ; pressure flunctuation

气动压力变送器 pneumatic pressure transducer ; QBY ; pneumatic pressure transmitter

动力变压器 transformer

动力变压器馈电柜 power lighting transformer feeder cubicle

可变压缩比动力机 variable compression ratio engine

座舱压力变动率 Cabin pressure variation rate

变速箱制动器压力 transmission brake pressure