secondary pollution
常见例句
- 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.cn - When 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。
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