双语例句
真空截止阀的结构及真空系统对高真空压铸生产具有非常重要的影响,是真空压铸中的一大瓶颈和难点.
The vacuum shut - off valve and vacuum system for high vacuum die - casting were developed in this paper.
重点词汇
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真空
vacuum; vacuo; void; empty space
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压铸
diecast; pressurecast; mold under pressure