low pressure vacuum pump

• 高真空泵

low pressure vacuum pump的用法和样例：

例句

1. At the appropriate pressure, the chamber is opened to a high-vacuum pumping system that continues to reduce the pressure of the process chamber.
   在适当的压强下，工艺室被接通高真空泵系统抽气，以继续降低工艺室的压强。