1.
the bag containing the gas in a balloon.
气球中存放空气的包。
2.
Existing residual air pressure after disconnecting the air compressor from the machine has to be expelled.
如有残留压缩空气时，应放掉压缩空气。
3.
d emission standard
空气质量和排放标准
4.
open the window to admit air
打开窗放进新鲜空气
5.
Blow up balloons and then slowly let out the air by narrowing the opening of the balloons.
吹大气球，然后把气球口放开一点点，放出空气.
6.
holds liquid air or helium for scientific experiments.
放液体空气或氦气的用于科学试验。
7.
Cars also send poisonous gases into the air.
汽车也向空气中排放有毒的气体。
8.
collapse by releasing contained air or gas.
通过放去内部的空气或气体使缩
9.
Petrol fumes from car engines poison the air.
汽车引擎排放的汽油烟气毒化了空气。
10.
collapsed through the release of gas or air.
因为释放了气体或者空气而瘪了。
11.
To release contained air or gas from.
从…放掉所含的空气或气体
12.
Effects of Airflows on Dielectric Barrier Discharge at Atmospheric Pressure Air;
大气压下空气中气流对介质阻挡放电的影响
13.
The application of CNG-air mixture adding purge gas used as gas source for peak load adjustment
CNG混空气掺混弛放气作为调峰气源的应用
14.
Clew 2: Put a plant to reduce air to pollute to be able to be put a few can purify airy plant.
提示二：摆放植物减少空气污染可以摆放一些可以净化空气的植物。
15.
A substance released into the air to counteract unwanted odors.
空气清香剂释放到空气中以减弱不希望的气味的物质
16.
When indoor air is humid, carpet moisture absorption, when indoor air is dry, release damp.
当室内空气潮湿时，地毯吸湿，室内空气干燥时，释放湿气。
17.
Trees are natural air conditioners. They take harmful gas from the air, and release oxygen into the air.
．树木是天然的空气净化器，他们可以吸收空气中有害的气体并向空气中释放氧气。
18.
releasing pollutants into the atmosphere
将污染物质排放到空气里.