cycloidal thruster直: straight; stiff翼: the wing of a bird螺旋桨式: propeller type推力: visatergo; soot; propulsive ...器: implement; utensil; ware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:直翼螺旋桨式推力器,即可在微信中查询翻译