A study of the literature in oblique cutting shows that only chip formation and mechanics have been studied to some extent. Even these are based on single slip line concept.
从文献看到的斜角切削研究报告大多数限于切屑的形式及基于单剪切面概念的力学研究，似乎斜角切削的研究远远不如直角切削深入。
In the paper, a semi-quantitative evaluation method is provided for the minimum safe thickness of the floors of the karst tunnels by means of the load transferring line concept;
采用荷载传递线的概念，提出了岩溶隧道底板最小安全厚度的半定量评价方法；
In the paper, a semi-quantitative evaluation method is provided for the minimum safe thickness of the floors of the karst tunnels by means of the load transferring line concept;
采用荷载传递线的概念，提出了岩溶隧道底板最小安全厚度的半定量评价方法；
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