уровень загрязнения | |
气体加工厂 | impurity level |
生态 | level of pollution; emission status |
马卡罗夫 | pollutant level; pollution load |
技术 | contamination level; pollution bench mark; pollution level; pollution degree |
建造 | pollution conditions |
или | |
技术 | ditto |
активация | |
一般 | activation |