cone-type variable-area propelling nozzle锥: awl awl-shaped things式: type; style可调: adjustable截面: section; cross section; cros ...双挡板式可调截面喷管: double visor variable area nozzle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:锥式可调截面喷管，即可在微信中查询翻译
