pre vacuum pump的意思|示意
预真空泵
pre vacuum pump的网络常见释义
预备真空泵 ... pre vacuum 初真空 pre vacuum pump 预备真空泵 preacceleration 预加速 ...
预真空泵 ... pre op test 运行前试验 pre vacuum pump 预真空泵 preacceleration 预加速 ...
pre vacuum pump相关短语
1、 pre ure vacuum pump 真空压力泵
2、 low pre ure vacuum pump 高真空泵
3、 vacuum pre ure pump 真空压力泵