1.
Foul or poisonous gas that sometimes pollutes the air in coal mines.
矿井瓦斯，有毒气体矿井中有时污染空气的恶臭气体或有毒气体
2.
portable poisonous gas monitor
便携式有毒气体监测仪
3.
a poisonous red-brown gas (NO).
一种红棕色的有毒气体（NO）。
4.
The air in the work is purified of poisonous gases with the machine.
用机器除去工厂里空气中的有毒气体。
5.
Poisonous or explosive gases must be removed, especially in coal mines.
有毒气体或爆炸性气体必须排除，尤其是煤矿。
6.
If (it is) burnt, rubber can give off a poisonous gas.
橡胶如果燃烧起来，会发出有毒气体。
7.
Students Running into Track Troubl
学校里的塑胶操场会放出有毒气体?
8.
an apparatus that senses the presence of toxic gases
能检测出有毒气体存在的仪器.
9.
chemicals that produce a noxious vapor when mixed.
化学物质混合后会放出有毒气体
10.
"Slurry pit, toxic gas, no entry"
泥浆贮备点,当心有毒气体, 请勿入内
11.
full of petrol fumes, coal dust, and toxic gases,
街道上充斥着汽油味和有毒气体，
12.
a colorless poisonous gas; made by the oxidation of methanol.
一种无色有毒气体，由甲醇氧化制成。
13.
Study on Photocatalytic Degradation of the Poisonous Aldehyde Gas in Indoor;
光催化清除室内醛类有毒气体的研究
14.
Toxic gases in the air such as car exhaust, are adsorbed onto it, so I don' t breath so much of it in.
空气中的有毒气体，比如汽车废气可以被吸附在上头，这样我就不会吸进去那么多有毒气体了。
15.
Phosphine is a toxic gas which ignites spontaneously in air.
磷化氢是一种有毒气体，在空气中可以自燃。
16.
Ways must be found to prevent the poisonous gases from polluting the air.
一定要找到办法防止有毒气体污染空气。
17.
The Computer Safety Monitor System in Gas Station
煤气站有毒气体的计算机安全监控系统
18.
a colorless poisonous gas that smells like new-mown hay; used in chemical warfare.
一种无色的有毒气体，有新鲜干草味，用于化学战。