抽空 1

抽空 [chōu kōng]

1. ■ evacuate; exhaust; pumpdown; pump-out; underpressure:

抽空管中空气 exhaust a tube of air

---

常用词组

1. ■ 抽空泵 return pump;

2. ■ 抽空加压法 vaccum pressure process;

3. ■ 抽空浸注法 vaccum process;

4. ■ 抽空装置 evacuator