HG/T 20592  法兰 PL 50(B)-16 RF36012FpaF@5 RJSc002@F9F)-r1-6 R80FF0؟FF300 RF592 HSC2s1�B)=fs2@RF@4

PL50(B)-16 RF36012FpaF@5 RJSc002@F9F)-r1-6 R80FF0؟FF300 RF592 HSC2s1�B)=fs2@RF@4

WN80(B)-16 RF4415

pl 50-16 ffch40R350-

wn25(b)-150 rf h1=7 a=33.4 s=3.4

PL80(B)-16RF 20

20615BL20-300RF

WN40-16RJ06r/Fampampampamp

PL100(B)-16 RF2709

SO400-10FF

wn65b