pump speed 指往复式泵位移元件(柱塞、活塞等)每分钟的往复运动次数，单位：min-1。 对机动泵(由曲柄连杆或凸轮等机构传动)，泵速在数值上等于其驱动主轴的转速(r/min)。
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慢循环率将按预期压井泵速期待的循环压降给定读数。
It will give an indication of the circulating pressure drop to be expected at the anticipated killing pump speed.
设计原理是减慢泵速、缩短冲程或改用小泵来降低排量，保持适当的沉没深度。
The design principle is to decrease the pump velocity, reduce stroke or to use a small pump to reduce the pump displacement and keep proper submersible depth.
循环泵将曲轴旋转运动转化为柱塞的直线运动。泵速转每分钟决定了任何气缸和活塞组合的排泵量。
Reciprocating pumps convert rotary motion to linear motion. Pump speed in RPM determines the pumps output volume for any given combination of cylinder bore and piston stroke.
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