1.
The vacuum valve opens to admit air.
真空阀开启以补充空气。
2.
cold air flows in and replaces it.
冷空气便流过来补充。
3.
The supply air is fed into a raised floor plenum.
这些补充进来的空气被导入活动地板间层中。
4.
This heat can usually be recovered from the ambient air surrounding the cylinder.
这个热量通常可以从钢瓶周围的空气中得到补充。
5.
The vacuum-relief valve opens to allow enough air to enter the tank to replace the gasoline pumped from the tank by the fuel pump.
真空阀通向大气，使足够的空气进入油箱，以补充由输油泵从油箱中吸出的燃油所占的面积。
6.
The air was scented with perfume.
空气里充满了香气。
7.
accumulator air-charging manifold
蓄压器充气阀箱压缩空气瓶充气阀箱
8.
and get their supply of air, food and water.
补给空气、食品和饮水。
9.
Correcting for the effects of air resistance.
弥补空气阻力的影响
10.
The air was thick with dust.
空气中充满了尘埃。
11.
cell, photoemissive, vacuum or gas filled
光电发射、真空或充气管
12.
Occasionally enriched air or supple mental oxygen is available and a greater ratio of secondary reforming to primary reforming is possible.
偶尔有富氧空气或补充氧的，因而二段转化对一段转化的大比例是可能的。
13.
To fill(something)with air or gas so as to make it swell.
充气使空气或其它气体充入（某物）使之膨胀
14.
On How To Schedule The Positions Of Byes And Qualifying Match In Table Tennis Matches;
对乒乓球轮空位置号码表的一点补充
15.
designed to be filled with air or gas.
设计用来充入空气或者气体。
16.
Usually we put some gas in the place of the air.
通常我们充一些别的气体来代替空气。
17.
large tough non-rigid bag filled with gas or hot air.
充满气体或热空气的坚韧的大袋子。
18.
a hollow globule of gas (e.g., air or carbon dioxide).
充满气体（空气或二氧化碳）的水珠。