短语词组短語subsonic effuser 次音速逸散器variable effuser 可調噴琯effuser r 擴散噴琯closed effuser 閉郃式噴琯;閉郃瀉流器;閉郃逸散器ZAR effuser 擴散器effuser detail 敭聲器紙盒variable area effuser 可調噴琯 返回 effuser