HG/T 20592  法兰 PL 20-6 FFd=1 RS16 rп�B)-16 RF S=680 90EL

PL20-6 FFd=1 RS16 rп�B)-16 RF S=680 90EL

支腿 A3 n=36

WN 50-300 RF S=108 FM S=1

wn32-16m980ch160f-1 f1=59

47023 fm 2500-1.6+0.50S11M=1025001 b-1.0-

wn350(b)-63rfFMfmf0

WN40-100 RF S=10

wn15-600 rf.4&ampampamp91=14RF S=6Sch0RFM00-1.0/94-1

WN15