弯头 DN 65-590EL585/u00a f1=1.6 R1=

DN 65-5 90EL585/u00a f1=1.6 R1=

wn500-300t sch40

法兰 so150-16 rf hg/

47022 cm1300-1.

SO 300(B)-10 RF3/u0095/u0

wn250-16rf S=60rf s=16 h1=18F--6.4/80-152375 k

BL20(B)-600 RFF9.5 B40S6R RF80(B)-16 RF φ814-1.Rs-0R

bl25a-300rf1.6Sch4705htmch40

PL10