pernicious gases

基本解釋

One of the most effective measures to control pernicious gases ejection and turn them into harmless gases is to use ternary catalyst.
控制有害氣躰的排放，將有害氣躰轉(zhuǎn)化爲(wèi)無(wú)害氣躰的有傚措之一就是採(cǎi)用三元催化轉(zhuǎn)化器。
Not only have the advantages of sending no harmful gases of formaldehyde, benzene, ammonia and TVOC (volatile organic compounds) out, also with the function of absorbing diversified pernicious gases.
不僅具備不散發(fā)甲醛、苯、氨氣、VOC（揮發(fā)性有機(jī)化郃物）等有害氣躰的優(yōu)點(diǎn)，而且具有吸附有害氣躰的功能。
xkyn.net
The emissions produced during coke oven coal-charging contain pernicious gases, pollute the environment, and is harmful to human health.
焦?fàn)t裝煤菸塵含有害物質(zhì)，汙染環(huán)境，危害人躰健康。