法兰 FF 900-0.25,δ=20-1.040a/0rb)20-F05rfS=3F0-

1 ff 900-0.25,δ=20-1.040a/0rb)20-F05rfS=3F0-

BL400-150 FF/

3 RF 1400-1/F150RFc=22 f1=3

WN20-150 RF Sch40 S=3

so 150-16 RFF0

WN150(A)-16RFpampampampam

hg/t20592 wn150(b)-16rf

HG/T20592 WN65-25FM

bl wn450-900rj

WN300B-16RF S-2009so20b-40rf0sF0FS6