法兰 BL 500-10 RF C=2/ |-s/@wn

BL500-10RF C=2/ |-s/@wn

WN100-150 RFFFF

WN20-1500 RJ Sch40s

pl50(b)-10 rf d=102/u00c3/u00a6/u00c2/u00b0/u00c2/u00b

pl150-16ff aa=180 d=310 k=260 c=30 n=12/

A3800b=

PL 80(B)-10 RF d=138水线 B=90

pl50(b)-10 ffL100-10FFl20

WN200-300RFB

pl150(b)-40 rf