blade orbit diameter of vertical-axis propeller直: straight; stiff翼: the wing of a bird推进器: thruster; propulsion; propel ...盘: tray; plate; dish面: face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:直翼推进器盘面直径，即可在微信中查询翻译
