短語詞組短語subsonic effuser 次音速逸散器variable effuser 可調噴管effuser r 擴散噴管closed effuser 閉合式噴管;閉合瀉流器;閉合逸散器ZAR effuser 擴散器effuser detail 揚聲器紙盒variable area effuser 可調噴管 返回 effuser