GB/T 29465  法兰 C-FM 1850-0.6/20Оҙ

5 CFM 1850-0.620Оҙ

WN 500-150 RF SCH

1 RF 800-0.6 Оҙs=800 sc-150rfSFM Sch404-110hT206156Fn4

WN15(B)-16RF6ch81N100f5/2

3 RF 400-1.6 δ0=10e坡口16RF B.0 s��rf=-16/S4sch

WN200-1500 RJ s09 pl32a-6 r

PL 25(B)-10 RF▓6

DN80-Class300 WN RF

Wn 200