working valve的意思|示意

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working valve相关短语

1、 working barrel valve 工作筒阀

2、 valve working condition 电子管工况

3、 working edge of valve 阀之工作缘

4、 BALL VALVE WORKING PRESSURE 球阀工作压力

5、 Valve dispibuting working 工作分配阀

6、 Valve distributing working 工作分配阀

7、 Gas cut-off valve working principle 煤气切断阀工作原理

8、 working pressure for reversing valve 换向阀工作压力