NB/T 47065.1  支座 A 6062

2 A6062

BL300-6 RF529

BⅡ3266

LWN 25-150 RF B=18h401ⅡRF

bi 5329

BL300-6 RF749

WN 50(B)-16 RF156

BI 6504

DN100/PN16/13B/Sch40

WN80(B)-16 RF432055871@S46��@RF@4F B=782ot;-150 RF Sch80-25 mMt-18 d=1Sch40RF B=1350mp)5t;-150 RF Sch14501850A4F22780S