法兰 WN 50-63 RF B=39 A=57/

WN50-63 RF B=39 A=57/

wn150(B)-16 TFmlF100-560SRF6 RF C\u00e5\u00ba\

pl125-25ff00-409/

SO 40(B)-25 RF=Sc/

WN15-150 RF Sch40c/744

WN400-150RF B=3860 RF/J/2M

BL 500-16 RFPLfm s= C=B=6=4 s.6

WN25-16RJCH40

BII2300/

wn150(B)-63RF0-156rf/F90E0 M X= K= L