法兰 PL 450-16 RF d=635 d=45 aa=460 b=5 f1=4/

pl450-16 rf d=635 d=45 aa=460 b=5 f1=4/

47022 -rf 1000-1.

wn15(b)-150rf 40s/

HG/T20592-2009 WN450(B)-25 FM

wn10b-25tch

SO250-300rf/

1 FF 1200-0.25Rc16R27.6F-1CH45

y1610-4-c1127hg/@BI 1000

Pl20(B)-6RFb)-16rf/

a wn800-900 rf0-Fδ=100

娉曞叞wn25