常見例句雙語例句More will not cause secondary pollution.更不會造成二次汙染。We should control the secondary pollution.我們應該控制二次汙染。dict.cnWhen exposed to the air for more than 60 days, the product will turn into water with oxygen molecules and there will be no secondary pollution.産品放置於自然環(huán)境中，60日後與氧分子結郃又自動轉化成清水，不會造成二次汙染。www.green-force.cn 返回 secondary pollution