弯头 DN 25-Ⅱ-6.590EL Ala

DN 25-Ⅱ-6.5 90EL Ala

WN450-150 RF S=10.31

pl250(b)-25 rf b1=256 2010pl50(b)-10

bL500(B)-6 RF C=22-1.6/frfF S)-0.6/70-16

so125(b)-40TS=6F/

wn30-150rf(fm)550-1

1 RF 450-1.0anFF650-2.5608-110 R

BL 10(B)-6 RF=1530.25R2

so40-300 RF Sch803160 TGs=1u

NB/T