secondary line meaning in English
支线。
Examples
- Numerical analysis of secondary lining in double - arch tunnel
双连拱隧道二次衬砌施工数值分析 - Evaluation of the effect of collapse in top area of a double - arched tunnel on its the secondary lining
双连拱隧道洞顶坍方对二次衬砌稳定影响评价 - Legal problems existed in railway transport enterprise when turning secondary lines of business into independent companies and counter measurements
铁路企业辅业改制存在的法律问题与对策 - Invention of out - going secondary line switch , resulting in economy of inter - office trunks . first used at san francisco
发明外向第二级寻线机，提高了局间中继的收益，并首次在旧金山使用。 - Through tunnel model test , the action law of external water load on secondary lining with a grouting loop is obtained
根据隧道模型试验理论，通过室内模型试验得出了有注浆堵水圈的隧道衬砌结构外水荷载的作用规律。