minimum sector altitude最低: lowest; minimum扇形区: fan section; fan; scallops高度: altitude; height; elevation最低扇区高度: minimum sector altitude盲区高度: gap height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:最低扇形区高度，即可在微信中查询翻译
