tire pump 打气筒,轮胎打气泵
- Pump the tire up hard before going out on the road.
在出去上路之前, 要把轮胎打足气。 - What is the most efficient way to pump your bicycle tire?
给自行车轮胎打气的最有效率的方法是什么? - So if you've got to pump that tire really a lot, then you're going to you're going to really feel a lot of heat there. The compression of the basically it's an adiabatic compression.
所以若果你给轮胎,打了很多的气,你会觉得你感觉,阀门那儿非常的烫,这种压缩,基本上是一个绝热的压缩。
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