HG/T 20592  法兰 TH 40-25 RF)

Th 40-25 RF)

WN200-16TR

B WN500-300 RF/h=170/s

47021 fm1000-0.6 î´s=10

BL20-150RF

47021 c-rf 1300-0.25/foru

BI 2600F/T24702/F S=6+hfh40mp12=10.2=757f0RF9)0-F

WN100-16 RF/forum.htmlh1625f/6 NA-150 RF S=6RC59RF RF-16R

PJ/SE 20(A)-16 RF S=2.3

BL50-1