泵浦持续时间;抽水历时

pumping duration的用法和样例：

例句

Disease resulting from stress is related to the severity and duration of stress.逆境带来的疾病，同逆境的严重程度和历时长短有关。
Over the nine-month duration of the experiment, the youngsters did indeed learn how to manipulate the joystick and buttons.在历时九个月的实验期间，儿童确实学会了如何操作摇杆与按键。

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