GB/T 29465  法兰 C-FM 1750-1.6/20δ0=12

5 CFM 1750-1.620δ0=12

WN250-2500 RJ S/5-1500RJL2GuRF B=31Sc A-FFR5S=�–

WN500-900RJ B=45h401r0 M RFRF5-FFM2=25R09/0SF RF10s0B)-1F/invoker=Sc2.5RFl

pl250b-40rf=309f61=12

SOP FF 10K 100ARF8016 RF)-16S4

WN40(A)-100 FM S=5.5.7h700-1.6/

DN1000-PN16 P