unshielded twisted pair无: not have; there is not; be w ...屏蔽: shield; screen; screening双: two; twin; both; dual绞线: stranded conductor; twisted ...对: answer; reply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:无屏蔽双绞线对,即可在微信中查询翻译