HG/T 20623B  法兰 WN 1100-600 RF S0FRFmpa

B WN 1100-600 RF S0FRFmpa

PL65(B)-10 RF B1=sch2.9s

47023 m900-1.6/fb=2700A1.7500RFb=3/-1RF S.

WN600-300RF RF-25RF9BLFM920F4/ich160/ sch s=4/1

BL 150(B)-16 RF

sp-3-8-0rf00b0pl2500-1 S=21

WN600(B)-16 RF0/(bMF45

pl 250-16 RF0R16 RF

bl50-150 rf l=3/4&;