ããèªå·±å¨æå¶ä½é±¼ç¼¸åºæ»¤ç³»ç»ï¼åçå¾ç®åï¼å°pvc管éºè®¾å¨é±¼ç¼¸åºé¨ï¼ç®¡å£æ«ç«¯å°æ»ï¼ä¹åå¨è¿æ¥å¥½ç管åä¸æç¼ãå©ç¨è¹å¸åçï¼å°æ²æ·å¨é±¼ç¼¸åºé¨å°ç³åç¼éä¸ç鱼粪æ½å°é±¼ç¼¸ä¸é¨çè¿æ»¤æ± å ï¼ä¹ååå©ç¨é±¼ç¼¸æ¬èº«çæ°´æ³µå°è¿æ»¤åçæ¸ æ°´æ½å鱼缸ãå¦å¾ï¼