HG/T 20592  法兰 LWN 300-63 RF)rf sch110/u00c2/u00af/u00c32=60 h=1552.55

lwn300-63rf)rf sch110/u00c2/u00af/u00c32=60 h=1552.55

WN 80-150 RF Sch5S

WN 40-40 m20100c30RF100 RF

1 FM 400-1.6F

pl20b-6rf/8

WN 80-150 RF Sch

SW 15(B)-6 FFF/0 RF0mch8RFF0 RF S

法兰bl300(b)-6rf1

SW 15(B)-6 FFF/0 RF0mch8RFF0 RF S/ch80s

so 200-150 RF