法兰 WN 200-150 FF S

WN200-150 FF S

wn200-600 rf sch80s

bpl100-6rf/

47021 c-m1700-0.25 δs=8 δ=70 n=560EL-10rfRF

GB/T29465 M1600-1.66

20615BL50-150 RF

20615 wn200-150 rf sch40

wn25-100rf s=10

WN200(B)-40 FM C=45

WN 80-300 RF Sch40

1 RF 500-1.0168iiC=60 è400FF6r

wn25a-6