偏心异径管 DN 125×40-Ⅱ-3RE560040ch40=5/hRF S=6.5S=316 R

DN 40×125-Ⅱ-3 RE560040ch40=5/hRF S=6.5S=316 R

WN25-160 T

NB/T47021 FM700-1.06RF S

PL50-16 RF65/00(B)-16 RF0RF50RF.6SFf407 D=5950--15/6 H=8

wn50-40t s=3.5 f3=3 f21-16gg

WN600-16 M f1=3

wn250-900 m

PL40-16RF B=40 b=3/c=19 b=3 d=120

bl32-150ff c=10-