PVC4-72CʽËÜÁÏÀëÐÄ·ç»ú
PVC4-72Ð;ÛÂÈÒÒÏ©ÀëÐÄ͸·ç»ú¿ÉÔËËͺ¬Ëá¼îÒòËؼ°»¯Ñ§ÒòËصÄÇÖÊ´ÐÔÆøÌå¡£ÆÕ±éÓ¦ÓÃÓÚ»¯¹¤¡¢µç¶Æ¡¢Ñõ»¯¡¢·¢µç³§¡¢»¯ ÑéÊÒ¡¢Ïß·°å¡¢»·±£×°±¸µÈº¬ÓÐÇÖÊ´ÐÔÆøÌåµÄ³¡ºÏ¡£ËùÔËËÍÆøÌå²»ÔÊÐíº¬ÓÐÕ³ÐÔÎïÖÊ¡¢Ëùº¬·Û³¾¼°Ó²ÖÊ¿ÅÁ£¡Ü150mg/m3¡¢ÆøÌåζȡÜ50¡æ¡¢Ïà¶Ôʪ¶È¡Ü100£¥¡£ÇÒ×èÖ¹Ñô¹â ±©É¹¡¢·ç»úÏÖ³¡ÖÜΧ²»µÃÓÐÈÈÔ´