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器宇轩:从一本金鱼书上看到的,苔不断吸附固着鱼便残渣,久之形成菌床,适宜硝化菌生存,同时苔自身还能吸收营养盐。 (2016-09-23 08:46) 6h?gs"[j
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大林:http://www.lanshou.net/read.php?tid=298836&uid=52495&toread=1&page=2 (2016-09-27 09:19) e<r,&U$
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