法兰 M 500-2.5-40b=3F C=12F6r11F

47023M500-2.5-40b=3F C=12F6r11F

WN32-16RF6.5-10590šÃ80-40rf40M

wn25-16 rf s=5.

WN20-300RF S

NB/T47021 rf800-0.6

法兰 WN300-300 T Sc S16 RF=150

a wn650-600 rf s=26 C=16

SO 20-300 RF

SO 40-150 RF

WN 100-150 RJ S=4.

WN100-300 RF Sch407

b wn700-300