HG/T 20623B  法兰 WN 800-300 RF)--1@b1¡h-16g/16=4(AM0(F43 Sj660-

B WN800-300 RF)--1@b1¡h-16g/16=4(AM0(F43 Sj660-

bl600-6 rf Sch60ch80SF

PL 50(B)-16 RF rf1000-1.0/ÅN50-16

WN50A-40 RF S=480 K=435 n=12Fpampampa

SO200(b)-10 RF0/3000M2N1J=5≥4-B6 RF D=1.0

SOP FF 10K 60A0S RF S=

SO500(B)-16RF)-166¾FMWN500(B)-16

HP-