Pump-down time 抽气时间 ; 抽空时间
Running pump time 开泵时间
Pump-out time 抽气时间
pump down time 抽真空时间
hydraulic pump press time 液压泵冲压时间
Dual Pump System REAL TIME 一套纯机械结构的双泵式适时四驱系统
pump-down n time 抽空时间
Time To Pump 时间泵
time patrol interval pump 定时巡检倒泵
The computer optimization and the decision supporting system of mine pump time is provided in this paper.
对矿井水泵用电时间进行研究,得出矿井水泵用电时间计算机优化与决策系统。
Usually, the larger an animal is, the slower its heartbeats, since it takes more time to pump blood around its body.
通常而言,体型越大的动物心跳越慢,因为将血液输送至全身需要花费更长的时间。
That example I gave last time with the bicycle pump was not quite the right example.
上次我举打气筒的例子不太正确。
As for cost,Dr.Miller says patients with a heart pump spend less time in a hospital and have lower hospital costs than patients with severe heart disease.
VOA: standard.2010.01.27
That example I gave last time with the bicycle pump was not quite the right example.
上次我举打气筒的例子,是不太恰当的。
You're taking the air inside of the pump and you're compressing it. You're doing it so fast that there's not enough time for heat to come out of the gas that's inside the pump towards the walls of the pump.
你把空气吸进气筒里并且压缩它,你的动作很快以至于,没有足够的时间让热量,从气筒里面跑出来,传递到气筒壁上。
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