查询词典 tread on air

There is a risk of damage to the analyzer and pump if air is not removed.

空气的存在也是导致分析器和泵损伤一个因素。

However, no air pump to form a vacuum it?

但是，没有空气泵能形成真空吗？

We can put things into the jar, and then pump the air out of the jar.

我们可以把事情到罐，然后泵的空气走出罐子。

In this case breathing can be maintained artificially by an air pump.

在这种情况下，呼吸得以维持，人为地由一个空气泵。

CO2 is a safe natural refrigerant which had been and will be used in air conditioning andheat pump systems.

CO2是一种安全可靠的自然工质，可望在空调和热泵系统中得到应用。

But don't we have a portable air pump ?

但是我们不是有个手提的空气帮浦吗？

The method of experiment and computer simulation can be adopted when the unit of air source heat pump is investigated.

研究空气源热泵冷热水机组的性能可采用实验方法和计算机模拟方法。

This tyre is flat; you didn't pump enough air in.

这只轮胎瘪了，你没把气打足。

Air is compressed in the pump.

泵里的空气压缩了。

This tire is flat; you didn't pump enough air in.

这个轮胎没气了；你并没打足气。

You can do some assertiveness training.

你可以进行一些自信训练。

We were well on the path to making a rear-wheel-drive global platform," says Mays."

我们正致力于建立一个后轮驱动的平台，"Mays这样说道。"