NB/T 47065.1  支座 A 3639

47065.2 A3639

so80(b-16RF0 rf sch80n¤mpampampqu

wn25(b)- 100 mm00-300 r03025,CM1400-1.0625-1f/f225-2

WN 4"-150 RF Sch3890

PL 300(B)-16 RF4793

wn600-150 t-100c 30/160Fh40

47023fm2500-1.rfM

1 FM 550-1.6 δs=8

BI 11000RF RF=700 C=5)0FRb=3 bb

BL4