air rulesaviation rulesflight rulesflying regulationsflying rules飞行: flight; flying; aviate; voya ...规则: rule; regulation; ordination ...航线飞行规则: airline operation procdeure机场飞行规则: aerodrome rules目视飞行规则: contact flight rules; vfr visual flight rules; vfr = visual flight rule; visual-flight rules下载手机词典可随时随地查词查翻译