NB/T 47065.1  支座 A 0860 LT-

DN 250-Ⅱ-3 90EL�60f0SMRR RF S=10data5 RJ0SM.5j&hMLa0860 LT-

SO 2"-150 RF

wn20(B)-100 FM=4�1

WN 3/4"-900 RF Sch160

PL500-10RFS=32447023 RSR70

DN65-PN16 PL RF Ⅱ

PL 25(B)-16 RF

3fm2500-0.6F4-2009 BL150-25

1 FF 1200-0.25 δs=18

WN 50(B)