drilling expense 中文意思是什麼
drilling expense
解釋
鉆井費用-
Tapping strategic reserves, drilling environmental preserves or relaxing emission standards at the expense of air quality are short - term fixes
動用戰略儲備、在環境保護區開採石油、或以空氣質量為代價放寬排放標準,這些都是短期措施。
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