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。
If the input air quality is poor, can cause electromagnetic valve, the valve core oil pollution within the open mouth can't completely, the difficult open.
如果输入空气质量差，会造成电磁阀内产生油污，阀芯开启困难，阀口不能完全打开。
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