
upvc管规格型号尺寸壁厚
1、GST202102401962013010二pvc管规格型号PVC穿线管规格型号有1620253040507590110PVC排水管规格型号有40507590110160200250315400500PVC给水管规格型号有202532405063...
1、GST202102401962013010二pvc管规格型号PVC穿线管规格型号有1620253040507590110PVC排水管规格型号有40507590110160200250315400500PVC给水管规格型号有202532405063...