问答题
钻井承包商的合作和协助是根据情况需要而确定的。
翻译:The density of a fluid is defined as its mass M per ...
问答题翻译:The density of a fluid is defined as its mass M per unit volume v.
翻译:The rig electrician maintains and repairs the electr...
问答题翻译:The rig electrician maintains and repairs the electrical generating and distribution system on the rig.
翻译:In summary, the people who work on today s rigs are ...
问答题翻译:In summary, the people who work on today s rigs are responsible for the safe and efficient operation of millions of dollar s worth of complex equipment.