NB/T 47065.1  支座 A 12003CHSFS=12.7-1.0./0(

a12003CHSFS=12.7-1.0./0(

WN 200-300 RF Sch10S

wn400(b)-150 rf sch40f s=14

WN100-150 RF b=0/7Ni12M

NB/T47023-2012 WN500B-10RFF

WN RF 10K 15A Sch40Sf6/5400(S-f Sch40 S

PL 800(B)-2.5 FF-1.6 R1J46j&ampampampamp

SO 150-300 RF

SO 150(B)-16 RF

DN65-PN25