safety joint的意思|示意

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safety joint相关短语

1、 bumper safety joint 震击器安全接头

2、 washover safety joint 套洗安全接头,冲洗安全接头

3、 shear pin safety joint 剪切销钉式安全接头

4、 tubing safety joint 油管安全接头

5、 GP shear-out safety joint 砾石充填剪切安全接头

6、 oil-sealed jar safety joint 油封式震击器安全接头

7、 shear pin tubing safety joint 剪切销式油管安全接头

8、 lock safety joint 自封安全管接头

safety joint相关例句