valve oil-can 带阀油壶
If the 450-ton valve at the wellhead can be turned on, the oil flow should stop, and the spill could be ended quickly.
如果井口450吨重的阀门可以可以关上，油流就可以停止，那么溢油很快就可以停下来。
Crack resistant valve can prevent the oil pipe rupture resulting in table control falling accident.
防裂阀可防止油管破裂导致工作台失控下降的事故。
This instrument can output 3v power to servo valve and is convenient for testing servo valve and oil motor at site.
本仪器可输出3 V电源给伺服阀，便于伺服阀和油动机现场调试使用。
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