HG/T 20592  法兰 SO 150-25 M50rf106025(/amp16RFFX36 FF C2)-D=449 K= BB=3

so150-25m50rf106025(/amp16RFFX36 FF C2)-D=449 K= BB=3

wn80-600rf a=88.9 h=83 s=05 C

WN 1000(B)-100 T S=4.

WN300(B)-16 FM C=48 H=98 S=72

wn80(b)-63rfs16RFfmu007Fb=50h40=4PL10S=/0)-0R1190ampampfrf11 RF RF16

3 M 600-2.5 δ0=12 H=120 h=45

BL50 -150 RF