弯头 DN 80-390ELs AA=/RF

DN 80-3 90ELs AA=/RF

so20-300g/ Sc30 R RFb)5RF/

WN 80-900 RJ SCH800fm0fm91600-

pl150(b)-40 rf b=6

47023 RF600-1.0 δ1=6

47023M800-2.5RF0 rfch400rRF6rf(B)-16 RF=105

47023+c-fm2600-2.5/@47023 RF1000-1.0

PJ/SE 50(B)-25 RF S=FF0-1.6 Sch40SF6-

wn65(a)-16