“放氣”造句
2024年07月02日 22:29:10
火車進(jìn)站后, 火車頭開始
放氣.
After the train got to the station, the engine began to blow off.
杜瓦微漏孔和真空室內(nèi)部材料
放氣使杜瓦真空度下降.
Leakage and outgas of dewar vacuum vessel also is analysed.
注意: 在進(jìn)入拉削時一定要關(guān)閉
放氣開關(guān).
Notice: When broaching, make sure that the air escape cock is closed.