UBD怎么读

UBD

abbr.urinary bladder distension 膀胱膨胀;ulcerative bowel disease 溃疡性肠疾病;ultrasonic bone density 超声波骨质密度;utility binary dump 实用二进制转储;

例句:

1、

Application of pressure drop model of gas/ liquid two-phase flow in UBD drilling

气液两相流压降模型在欠平衡钻井中的应用

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2、

Gas drilling fluid is often used in UBD in low pressure formation.

在低压储层进行欠平衡钻井时常选用气体型低密度流体。

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3、

Applications and Development of UBD Techniques

欠平衡钻井技术及其应用与发展

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