HG/T 20592  法兰盖 BL 50-100 RJFÃ1F3c60 s=0G69Fhtml0R Sch40/@PL40FD

47022 c-rf1000-1.0FRF@3/-900 RF Sch0RF0 Rbl50-100 rjFÃ1F3c60 s=0G69Fhtml0R Sch40/@PL40FD

1 RF 900-0.6 δs=40F25 RF=0RF

3 RF 500-1.6 δ0=130F2R61150/f)-

3 FM 600-1.6 δ0=10 D=766805

pl600(a)-10rf1001æ—&ampampampampampnbspæ&a

wn200-25