拼音检词语
三通
拼音:sān tòng
基本解释
◎ 三通 sāntōng
(1) [tee]∶有横向出口的短管,用于连接与该管成直角的管道
(2) [three-way pipe]∶以45°从主直管分出的支管,即Y形接管头
英文翻译
1.{机} triplet; tee; tee joint; {工} wye; Y; yoke
2.(指通邮、通商、通航) “three exchanges”: exchanges of mails, trade, air and shipping services; the opening of postal, aviation and navigational services and commercial interflow
名词1.(政)Three Direct Links (direct links in post, transportation and trade between the Chinese mainland and Taiwan)
详细解释
唐 杜佑 《通典》、 宋 郑樵 《通志》、 元 马端临 《文献通考》的合称。 清 钮琇 《觚賸续编·三通》:“人而不读三通,安得谓之通?三通者, 杜佑 《通典》, 郑樵 《通志》 马端临 《文献通考》也。”