vacuum pouring meaning in English
真空浇注
Examples
- The resul ts indicated that there exists obvious gas gap in molten iron flowing front , and the pressure in gas gap with eps pattern during vacuum pouring is less than 1 a tm
试验结果表明，铸铁件流动前沿不仅存在明显的气隙，而且采用聚苯乙烯模样材料，负压下浇注时，其气隙压力低于1个大气压。