NB/T 47065.2  支腿 c4)-k=150

2c4)-k=150

BL600(B)-150 RF3

PL 20(B)-16 RF4,50-16 FF C=8J00023 RFSc

PL200(A)-10FF

wn20(b)-40g s=3=3=40 RF T Sch

DN 100-Ⅱ-7 90E3Di2059

PL150-16 RF¢00-15 RF

BL 3"-150 RF5 FM S=8uot150 RF Sch-25M00-S=6if RF B

PL 250-6 FF

wn80(b)-40 m s=6 h=58F0