GB/T 29465  法兰 C-M 3000-6.4/20δ0=12

5 CM 3000-6.420δ0=12

法兰WN 150-150RF Sch40Sh60&=U&=0ahUK¥T SSch40S T

SO 200-600 RFS=24G)-1

so150-300ff46g005MS=

SO150-16RF6050-2ch40

wn50(a)-100 rf 6ä»5=CH0-1=150 Bs=3.-36 RF.0R

wn65-63mF/-1.016b)-2.500-1.ch1sh1.07ch340rf rfÃf

47023c-rf