GB/T 12459  弯头 DN 80-Ⅱ-3.590E3D14.8Sfm/public/wx

BL80-160RJFF0FM/40(B)

WN 500(B)-25 RF S=6RF

WN150-300 RF 14.27102frfS.6 /

WN300(A)-40 G L=10b)L020rf00 rj-1)

BII 3000.0aa=49=50 H

WN200-16 RFSch4/=20h10SF HG/=3.6h/Sch9154�έΨΤ20sch8/u00ae/

WN300(B)-300RF12/u00؟،SM1 RFRFg8f4

wn80-150 rj157.

LWN