graded trunk分: component品: article; product中继线: junction line; relay line; t ...中继线分品法: grading分品中断线: graded trunk line; gradedtrunkline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:分品中继线,即可在微信中查询翻译