Solid control on drilling fluid is an essential technique for under - balanced drilling.

钻井液固相控制是欠平衡钻井成败的关键技术之一.

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Solid control system for drilling fluid is one of main petroleum drilling equipments.

钻井液固相控制系统是石油钻井设备中的主要设备之一.

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Arbatov says all national TV channels remain under rather solid control of the executive branch.

阿巴托夫说,所有全国性的电视频道仍然受到行政当局相当牢固的控制.

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