ㄓㄣzhēnㄎㄨㄥkōngㄅㄥˋbèng

  1. 降低容器壓力形成真空狀態設備種類繁多用途蒸汽擴散旋轉低溫

vacuum pump
pompe à vide
Unterdruckpumpe (S, Phys)​