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关注：1
2013-05-23 12:21
求翻译：氨对环境和人体危害很大是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
氨对环境和人体危害很大
问题补充： |
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2013-05-23 12:21:38
Ammonia on the environment and harmful to human health
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2013-05-23 12:23:18
And on the environment and human hazards are very large
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2013-05-23 12:24:58
Its exhaust standards always is a chemical fertilizer profession difficult problem
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2013-05-23 12:26:38
Ammonia and the human body against a large
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2013-05-23 12:28:18
The ammonia is very big to the environment and the human body harm
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