HG/T 20592  法兰 PL 65(B)-16 RF b=3.5 RF)-FS40 RE0

PL65B-16RF b=3.5 RF)-FS40 RE0

支座 B4

WN2"-150 RF Sch160

SO 150(B)-6 RF

WN 150-300 RF Sch80S

WN250-300RFRFB)000-1

wn125-63m s Sch40h41e00F25 hg/L0-0

wn 76-16 RF0F S=4m0SO4H40Sam

WN15-300M mF-50RF24D=3ch120s/

1 RF 550-1.0f40@40F0c040 RF0R0F118@