NB/T 47065.1  支座 BⅡ 2311

BⅡ2311

dn40hg/@47023 rf1000-1.0328c@4

BL300-16TG=3600×25-Sch80S T

WN150-40MS11=300

WN 65(B)-16 RF= d=ervlet/j

DN400-Class1500 WN

SO 2"-150 RF

WN 80(B)-25 RF S=4F D=1/

so25-6rf80RF

WN12"-150 RF Sch40R10RFM RF�F-RJsfoR01504@Sch4i@-R90FII