decelerating nozzle减速: moderate; reduce the speed; ...管: pipe; tube加速导流管: accelerating nozzle导流管: honeycomb duct; shroud; thrust-augmenting nozzle减速导管: decelerating duct下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:减速导流管，即可在微信中查询翻译
