1) two layer ballast
双层道喳
2) sub ballast
道喳
3) slag ballast
炉津道喳
4) two-layer flow path
双层流道
1.
This paper makes a brief introduction to positioning and permeable environment forming of the ring suspension sand core,It can provide some experience on the reasonable choice of technological parameters and the dynamic quality control for the sand casting of large ZL201 alloy thin-wall worm-shell parts with two-layer flow path.
概述了全包悬空环形砂芯的定位和透气环境的形成途径；从工艺参数的合理选择和现场动态质量控制上，为ZL201合金双层流道大面积薄壁蜗壳类铸件的砂型铸造成形积累了经验。
5) double-decked tunnel
双层隧道
1.
This paper analyzes the forced state of surrounding rock and tunnel lining in every step of the construction project for Fu longping double-decked tunnel.
采用二维弹塑性有限元法,分析了在两种施工方案下伏龙坪双层隧道各个施工阶段围岩和衬砌的受力状态,考虑材料的非线性特征,采用Mohr-Coulomb屈服准则及其关联流动法则,采用切线刚度迭代法求解平衡方程,对超过屈服点的应力进行应力调整。
2.
2D elasto-plastic finite element method is adopted to analyze the forced state of the surrounding rock and the tunnel lining in every step of the construction project for Fulongping double-decked tunnel.
采用二维弹塑性有限元法,分析了在该施工方案下伏龙坪双层隧道各个施工阶段围岩和衬砌的受力状态,考虑材料的非线性特征,采用Mohr Coulomb屈服准则及其关联流动法则,采用切线刚度迭代法求解平衡方程,对超过屈服点的应力进行应力调整。
6) two layer runway
双层道面
补充资料：道-道间寻道时间
道-道间寻道时间(single track seek)：
指磁头从一磁道移动至另一磁道的时间，单位为毫秒(ms)。
指磁头从一磁道移动至另一磁道的时间，单位为毫秒(ms)。
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