è¿ä¸ªä½ è¦çå¾çº¸ç第ä¸é¡µï¼è®¾è®¡è¯´æï¼æ¯ä¸ªè®¾è®¡é¢ï¼çè³æ¯ä¸ªäººç»çé½ä¸ä¸æ ·ã
WLåºè¯¥æ¯â污水ç«ç®¡âç第ä¸ä¸ªåå第ä¸ä¸ªåçé¦åæ¯ã
ç»æ¨æ¾ä¸ªä¾åï¼
ä¾æ®ä½ çååï¼é£ææ°ç«ç®¡æå¯ä»¥åæQLè¿æ¯PLï¼
追çæ¯çï¼å好说æå°±å¯ä»¥äºï¼æ²¡æä¸¥æ ¼çå½åæ åï¼