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化学凝结剂

309 bytes added, 04:55, 2 October 2017
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__NOTOC__ <small{{Language-title />box|english_link= Chemical Coagulants | french_link= Coming soon | spanish_link= Coming soon | hindi_link= Coming soon | malayalam_link= Coming soon | tamil_link= Coming soon | swahili_link=coming soon | korean_link= Coming soon | chinese_link=化学凝结剂 | indonesian_link= Coming soon | japanese_link= Coming soon }} 
[[Image:alum block.jpg|thumb|right|200px|明矾块。图片来源:www.cdc.org]]
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