钻井承包商钻达到特定关键点而获得一次性总付款时所到达的井深。
The depth in a drilling well at which the drilling contractor receives a lump-sum payment for reaching a particular milestone.
钻井承包商钻达到特定关键点而获得一次性总付款时所到达的井深。
The depth in a drilling well at which the drilling contractor receives a lump-sum payment for reaching a particular milestone.
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