法兰 PL 40(B)-10 RF D=158-1.

PL40(B)-10 RF D=158-1.

LWN 150-600 RF Sch40

WN110(B)-16 RF

WN125(A)-40M S=7

PL600(B)-16 RFRF1200-

3 FM 1200-4.0MRF5.5240-152F-1.0/50-

WN150-63 RF S=20

B WN900-150RF S=9.53fm120-130b=3Sch40B)-105

NB/T47022 FM400-10--4 TRRF020-150RF0 d=10

47021 ff1000