弯头 DN 20-Sch10S180ESf sch3

DN 20-Sch10S 180ESf sch3

BL 80-6RFmRF550-0.900rjS Schr)2

BL500-25M-1B0-300MF

WN 300(B)-16 RF S=6 L=26 K=410 B=10

3 FM 500-1.0

wn15-150 rfs=400-

wn80-150RF SC=08

WN 25(B)-63 FM S=663 F16

BL100-150RF Sch4

a bl1000-300 rf/static=draw D=200 KG RF FM S=