弯头 DN 300-Ⅱ-1290EL s=345/80-182s=.52

DN 300-Ⅱ-12 90EL s=345/80-182s=.52

WN125(B)-16 RF D=6RF S=6ch/

WN80-63 M HG/=12300-0.25/64=

WN200(B)-160M/

HB/@BL100-16 RFf125â�h120F3.3/u

pl300(B)-25 RF S=u/

LWN300-150RF15

m/@47023 rf1000-1.0 ÃŽÃ

wn 450-300 rf shc80s vo=37.5°

BL250-63