non-flying crew无: not have; there is not; be w ...飞行: flight; flying; aviate; voya ...任务: task; job的: 4次方是 The fourth power of 2 i ...机组: set; assembling unit; machin ...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:无飞行任务的机组,即可在微信中查询翻译