vacuum pumping time 抽真空时间
pumping time constant 抽空时间常数
time of pumping 抽水时间
real-time pumping efficiency 实时泵送效率
Real-time pumping efficiency factor 实时泵送效率系数
It has also analysed the main parameters of the new system and the possibilities of association uses with the ecological sanitation system, and confirmed the best parameter values of vacuum dregree, water consumption, pumping time.
通过对真空卫生系统的主要参数及与生态卫生系统联用的可行性的兮析,确定了最佳真空度、最佳用水量及最佳抽吸时间(即排污阀打开时间)等参数值。
参考来源 - 真空抽吸式卫生系统实验研究·2,447,543篇论文数据，部分数据来源于NoteExpress
You see, why young people no matter how busy the total pumping time to come to love it?
你们瞧，为什么青年人再忙总抽得出时间来谈恋爱呢？
Two classes at the transfer should be as high and low temperature every 15-20 minutes in order to prevent pipe pumping time.
在两班交接时，应视气温高低，每隔15—20分钟泵送一次以防堵管。
The experimental results show that forward pumping time and reverse pumping time are important parameters for semiconductor opening switches.
结果表明，正、反向泵浦时间是影响半导体断路开关特性的最主要因素。
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