HG/T 20592  法兰 WN 250(B)-40 FM S=883/data/src/public/public/common/qq.png

wn40-600rj c=164 L=114-rf50�10

SO 500B-10RF165.6 RFR==43f80sl脦�

Wn 80b-1500 RF RF�75 RJ-16S=.

SO 80(B)-16 RF00RFF5025

BI 280096

PL50B-16RF b=3 B

wn25(b)-63FM0RFS/3rf

SO 80(B)-16 RF11=1200-1.605j16 s/1

SO 80-300 RF800 rf00F(B100cRF/

SO