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optimum nozzle diamater
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optimum nozzle diamater
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工学
钻井流体力学
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optimum nozzle diamater
最优喷嘴当量直径
在一定机泵条件下、一定钻具结构下,能够实现所设计的喷射钻井工作方式的喷嘴直径。
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active radio frequency identification devices tag, active RFID tag
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