GB/T 29465  法兰 FF 2850-0.6/20δ0=10

5 FF 2850-0.620δ0=10

LWN 25-300 RF B=27

SW 15-150 RF 80

SP-3

SW25-16RF

PL250(B)-6 RF C=16

LWN 4"-1500 RF B=102

SO40-150RF B BFsrc=3F5 RJ R1cB80RF Sch80S5 RJ0SM0RJRF TMF1FF-6 RF6�°ذ،â€کذ ز²ذ â€™ذF SR0r3rFF00-s/@4

hg=t20592-