Rig tong pins, shackle pins and bolts must be secured with the proper size of split pins.
大钳销子,尾绳销子和螺栓都必须用适当尺寸的开口销加以固定。
The spread of oil on the water's surface in April was a clue used to determine the size of the leak from the Gulf of Mexico rig disaster.
墨西哥湾泄漏原油在水面扩散,4月,科学家将此作为评估此次灾难影响的线索。
The correct size and type bit breaker is to be on the rig floor.
钻台上有合适尺寸和种类的钻头盒。
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