GB/T 29465  法兰 FF 650-1.6/20ampa0-2.51RF19

5 FF 650-1.620ampa0-2.51RF19

5 FF 1450-1.020δ0=18s2

SO20B)-16RFrfsch4M2/1RF706FFch406F rf00-10sB1N2uothg20615 wn400

47023 rf700-6.4/100-185f s=5 RF

WN 20-300 RF/=4 s=4

SO100-150 T1500-4/8

BL125-63RJH=1/RF sch00Rrf hg=FXS

WN150-150 RF B=0 RJ�■60