pollution sources

短语词组

短語

• pollution point sources 汙染點源
• pollution heat sources 汙染熱源
• many pollution heat sources 多汙染熱源
• pollution point sources of toxicants 毒物汙染點源
• water body pollution sources 水躰汙染源
• fugitive pollution sources 散汙染源
• pollution of water sources 水源汙染
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