NB/T 47065.1  支座 BⅠ 170050BL100-1

BI170050BL100-1

弯头 DN 65-Ⅱ-8 90ES

WN3"-1500 RF Sch60

wn80(b)-150RF sch10 S=3.5 H1=8 L=19 A=57

wn250(a)-10rf

wn300-25 fm

WN20"-600RF B=478

WN100-300 M S=8mm

wn350-300 rf sch60

PL00B-16RF���7â6 RF=���nF7.5 RJ2A0(00F�0@RF RF