pumped vacuum system

• 抽真空系统

pumped vacuum system的用法和样例：

例句

1. These manifolds are connected to the vacuum system through air take-off lines in order to remove the non-condensable gases from the condenser.
   这些集管通过空气管线与抽真空系统相连，以便从空冷凝汽器内抽走不可冷凝的气体。