set course对准: aim at; be directed at; trai ...预定: fix in advance; predetermine ...航向: -方位指示器 course-and-bearing in ...预定航向: desired course; prearranged heading; predetermined course; preset course保持预定航向: handing steering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:对准预定航向，即可在微信中查询翻译
