strokes of pump 冲数
The length of these phases is often measured in pump strokes rather than volume directly or time.
这些阶段的长度一般用泵冲测量而不是直接用体积或时间来测量。
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I was altering the pump strokes per minute.
我正在调整泵的每分钟冲数。
Record stand pipe pressure and pump strokes.
记录泵压和泵冲。
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