GB/T 12459  异径三通 DN 400×400×10-Sch120TR.5 RFh0/@50 R

DN 400×400×10-Sch120 TR.5 RFh0/@50 R

wn250-150 rf s=6

WN250(A)-16 M��=115MJ

bl10-10ff/FF000-16F1000-0

SO 20(B)-40 M30 R0rf5mn0390c3/u.�ҘВm

pl200(b)-25 fm=0/

WN500(B)-40 FM S=10b=5/u00Srf BB=77M805 L16RF1

WN500-600RFSF=t/Spam0RF6F0amp

SO250