HG/T 20592  法兰盖 BL 80-10 FF d=/21.-

bl80-10 ff d=/21.-

WN 150-150 RF00S.61.0A)-16

bl32-16tF60C=40 BB=642

SO25-16RFF40125

WN150-600RF unJFB=42.82 C=34 H1=10Sch10s/

3 M 500-2.520δ0=165-600 RF90F

WN25(B)-16 RF S=3r4172n5

3 RF 900-1.01.050-1.6J S=416 RF A=1200-1

WN200(B)-40MSa/src

SO4