一种定义
四种语言
0,1,2
- 德國
- 英語
- 中國
- 西班牙語
压力不足 (n)
Unterdruck (m)
underpressure (n)
vacuum (n)
The castings fall out of the mould once the vacuum is released.
Air is extracted to create a vacuum in the mould cavity into which the moulding sand is fed.
Vacuum moulds are suitable for fast and cost-effective mould manufacture and for small-series to large-scale production.
