HG/T 21574  吊耳 APA-5

APA-5 R=225h4RF b

WN25-16 RF S=4.55 f1=20

wn50a-16rj.h8bRF4)4)

法兰WN150(B)-25RF0.5*5.620

BL100-300FFRF6/

wn50(b)-40rf c=35 h=63 s=3.5 f1

so250b-16m218S06)-40 RF S

LWN 100-150RF

so65(B)-40RF22cr1F=

WN80-25RF S=10.5 &ampampampampampampamp;amp;