pump drill的意思|示意

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pump drill相关短语

1、 drill pump 钻机泵,钻井泵,钻探用泵

2、 jet-pump pellet impact drill bit 霰弹钻井钻头

3、 drill pipe pump down plug 钻杆内泵送塞

4、 combined characteristics of turbo-drill-pump 涡轮

5、 drill pump valve 钻井泵泵阀

6、 drill pump liner 钻井泵缸

7、 drill pump valves 钻井泵泵阀

8、 drill pump liners 钻井泵缸套

9、 drill pump piston 钻井泵活塞