vacuum(-)controlled advance

• 真空提前

vacuum(-)controlled advance的英文翻译是什么意思，词典释义与在线翻译：

英英释义

名词 vacuum:

1. the absence of matter

2. an empty area or space

3. a region that is devoid of matter

4. an electrical home appliance that cleans by suction

动词 vacuum:

1. clean with a vacuum cleaner