NB/T 47065.1  支座 BⅠ 37001.3 S=r=8

BI 37001.3 S=r=8

法兰盖BL500-16 RF40mpampampa0-16rf607S=19B1=213ch80.6/52F0SF83

SO 80-16 RF= rf0(b)pampa�400-1.6/5 C=25.00r d=5p

DN40-PN16 WN RF Ⅱ S=3.82δ0=b)-16

wn65(b)-900rf0-1553.7*2300-0.65-165

B BL 700-150 RF-600RJ&a0A5-150 r4cаё

SO450