“放气”用英语怎么说？

“放气”的拼音为：fàng qì...

火车进站后, 火车头开始放气.After the train got to the station, the engine began to blow off.杜瓦微漏孔和真空室内部材料放气使杜瓦真空度下降.Leakage and outgas of dewar vacuum vessel also is analysed.注意: 在进入拉削时一定要关闭放气开关.Notice: When broaching, make sure tha...