HG/T 20592  法兰盖 BL 50-25 RF600-1.6/1=3

BL50-25RF600-1.6/1=3

BI 1600

3 CG 2400-0.620δ0=1

SO 400(B)-16 FM

so250-150rj0S=81316f

3 FM 500-1.6

DN125-PN16 PL/P-A

wn125a-16fm00-1.0

SO 80-600 RF

wn100-1500mamRF40g/10mm59.729/8.5F S=8Ⅱ00 FF��S54 b==65-60c3/F Ⅱ S=55fFdpampampampamp RF1000-14e/