GB/T 29465  法兰 C-T 1600-6.4/20δ0=12mpac0

5 CT 1600-6.420δ0=12mpac0

WN450-900 RJ S=/RF/ Sp

PL25-25GRFm

bl50-1500fmc=2640 S=4 A/SDL��10-1(B)000F016¤â FM SCH/=Sc K=

SO350-900RF/ RF1RF Ⅱ S=12´

WN50-150RF-40(A)-6 RF0=1

pL600-6 RF

wn50-300fm sch80h-2=0 S= AF2JF

WN50(B)-40RF S/1/6

WN150-