1) construction of the second line
增建二线
1.
Research purposes: Reconstruction of Tuole Railway Station was a key controlled project of emergency engineering for construction of the second line between Lhasa and Golmud of Qinghai-Tibet Railway.
研究目的:新建托勒车站是西格段增建二线应急工程重点控制工程,本文通过对托勒车站施工的回顾,旨在为类似工程提供借鉴经验。
3) double railway track laying
增建二线铺轨
4) Added second railway line
增建Ⅱ线
5) added second line
增二线
1.
Technical comparisons in railway added second line of subgrade protection
铁路增二线台后路基防护技术比较
6) two wire repeater
二线式增音机
补充资料：二线
①战争中的第二道防线。②比喻不负有直接领导责任的地位：退居～。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条