allowable maximum velocity in canal 允许不冲流速
allowable maximum circular velocity 允许最大园周速度
maximum allowable velocity 最大容许速度
maximum allowable open parachute velocity 最大允许开伞速度
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By using the surge pressure calculating method, in this paper the formulas have been derived which are used to calculate the maximum allowable velocity in pulling and running pipe in borehole.
本文根据波动压力计算方法推导出了最大许用起钻速度和下钻速度的计算公式。
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