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- The paper introduced the blasting parameters and construction technology for small section tunnel in crumbly strata. 介绍了破碎岩层中小断面坑道的爆破参数和施工技术。
- Keywords high stress;drift drivage;driftsupport;soft crumbly strata; 高应力;巷道掘进;巷道支护;松软破碎岩层;
- crumbly strata 破碎岩层
- We can follow the history of life through the strata. 我们可以通过这一层层的地层跟踪生命的历史。
- They represent each society stratum. 他们代表各个社会阶层。
- The older strata gradually disintegrate. 较老的岩层渐渐风化。
- The older strata gradually disintegrated. 年代较久的地层逐渐崩解了。
- Mix in softened butter until mixture is crumbly. 然后加入软化的牛油。混合成粗碎末状。
- Shortbread is a short crumbly cookie. 脆饼干是一种薄的、松脆的饼干。
- They do not constitute a separate class or stratum. 知识分子和青年学生并不是一个阶级或阶层。
- These strata, lying apparently in contact, are in fact abysmally separated. 这些表面上相触的地层实际上相隔很远。
- To expose(rock strata)by erosion. 剥蚀因腐蚀而露出（石层）
- He hates the privileged stratum. 他憎恨特权阶层。
- I'm afraid this cake has turned out very dry and crumbly. 恐怕这蛋糕已变得太干太脆了。
- They belong to the rich strata and never work. 他们属于富裕阶层，不干活。
- They represent all social strata . 他们代表各个社会阶层。
- To expose(rock strata) by erosion. 剥蚀因腐蚀而露出（石层）
- There are several social strata in the town. 镇上有几个社会阶层。
- This is a stratum we must win over. 这一阶层，我们是必须争取的。
- Tramps are from the lowest stratum of society. 流浪汉来自社会最下层。
