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紫銅管:每米重量=0.02796*壁厚*(外徑-壁厚)
紫銅管現(xiàn)貨規(guī)格價格表25*2.5-3-4-5-6
紫銅管現(xiàn)貨規(guī)格價格表28*3-3.5-4-5-6
紫銅管現(xiàn)貨規(guī)格價格表32*3-4-5-6-8
紫銅管現(xiàn)貨規(guī)格價格表34*3-4-5-6-8
紫銅管現(xiàn)貨規(guī)格價格表36*3-3.5-5-6-8
紫銅管現(xiàn)貨規(guī)格價格表38*3.5-5-6-8-10-12
紫銅管現(xiàn)貨規(guī)格價格表39*3.5-5-6-8-10-12
紫銅管現(xiàn)貨規(guī)格價格表40*3-3.5-5-6-8-10-12
紫銅管現(xiàn)貨規(guī)格價格表42*3.5-4-5-6-7-8-9-10
紫銅管現(xiàn)貨規(guī)格價格表45*3.5-4-5-6-7-8-9-10
紫銅管現(xiàn)貨規(guī)格價格表48*3.5-4-5-6-7-8-9-10
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