第1个回答 2011-12-04
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水污染主要来源于工厂排出的一些垃圾及有害化学物质它会导致各种各样的疾病，
The main sources of water pollution from factories discharge some rubbish and harmful chemical substances which can cause various diseases,
第2个回答 2011-12-04
Water pollution mainly comes from the factory from the trash and some harmful chemicals it would lead to various diseases,本回答被提问者采纳
第3个回答 2020-10-28
水污染主要来源于工厂排出的一些垃圾及有害化学物质它会导致各种各样的疾病，
The main sources of water pollution from factories discharge some rubbish and harmful chemical substances which can cause various diseases.