法兰 BL 400-6 FM/RF0/F406=S/.6)-16 RF/(B)/

BL400-6 FM/RF0/F406=S/.6)-16 RF/(B)/

wn300-600 rf b=298.9

wn50(b)-63M7FFM500-4.0F

WN10(A)-25 RF S=2.3

HG/T20592-2009 BL80-25 RFÃ40RF b=4 Sc

wn600-150 rf s=10 h1=7/F S/

bl600 -10rftg6130SRH16/40-95100e7

WN125-150 RF Sch40rf aa=60° wn50(b)-16 rf s