ŷʽ×ÔճǽֽPVC£¬·ÀË®¼Óºñ¿ÍÌüÎÔÊÒÌïÔ°±³¾°Ç½
ËØɫǽֽ×ÔÕ³PVC¼Óºñ´ø½º·À..
´óÀíʯÎÆ×ÔճǽֽÌùÖ½·ÀË®PV..
À¶Ìì°×ÔÆǽֽ×ÔÕ³¼ÓºñPVC·À..
¼ÓºñºÚ½ð¸Õ´óÀíʯÌùÖ½£¬³ø·¿Ì¨..
ŷʽ×ÔճǽֽPVC£¬·ÀË®¼Óºñ..