routing qualifier路径: way; route; trajectory; path ...选择: pick and choose; select限定: prescribe a limit to; limit; ...符: tally symbol; markδ路径选择: delta routing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:路径选择限定符，即可在微信中查询翻译
