subsurface safety valve的意思|示意

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subsurface safety valve相关短语

1、 surface controlled subsurface safety valve 地面控制井下安全阀

2、 subsurface controlled subsurface safety valve 井下控制井下安全阀

3、 Subsurface safety valve systems 井下安全阀系统

4、 single-line subsurface safety valve 单线控制井下安全阀

5、 Subsurface safety valve equipment 地下安全阀设备

6、 singleline subsurface safety valve 单线控制井下安全阀

7、 14A Subsurface Safety Valve Rese 标准

8、 dual-line subsurface safety valve 双线控制井下安全阀