- 双语例句 更多例句
The caving of thick and strong roof stratum, key stratum, causes tremendous rock pressure in mine.
采场上覆岩层中的厚硬岩层, 即厚硬关键层, 其冒落会造成剧烈的矿山压力显现.
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The Technology Study of Roof Coal Presplitting in Thick Seam Caving Coal Mining
厚煤层放顶煤开采顶煤预裂技术研究
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A Caving Blast Test with a Detonating Fuse over the Tough Roof of a Group of Steep Coal Seams
急倾斜煤层群坚硬顶板导爆索爆破放顶试验
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顶板垮落是金属矿山地下开采中严重的工程灾害之一,它不仅影响采矿进度,同时也对井下作业人员生命安全构成威胁。
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Practices on fully mechanized caving technology in thick seam with hard roof
坚硬顶板较厚煤层综采放顶煤工艺的实践
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Analyses factors that affect cover caving ability of roof coal in sublevel caving mining method.
分析了放顶煤开采顶煤冒放性的影响因素.
网络文摘精选
综放工作面湿润剂喷雾降尘机理及高效降尘湿润剂的试验不要把话机故意放到温度高的或潮湿的地方。
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覆岩关键层的破断使工作面顶板垮落角减小、周期垮落步距和来压强度都增大。
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- 相关词组
- roof racksn.行李架( roof rack的名词复数 );
- hit the roofv.大怒;
- roof gardensn.屋顶花园( roof garden的名词复数 );
- gable roofn.人字形屋顶,三角形屋顶;
- go through the roof大声喧闹;大大增加;
- through the roof通过屋顶
- barrel roof筒形屋顶;
- roof tile瓦;
- raise the roof<俚>大声喧闹, 吵翻天;发火;
- roof of mouth[医] 口腔顶, 腭;
- arched barrel roof筒形屋顶;
- roof rack行李架;
- angle of a roof屋顶角;屋顶的角度;
- flat roof屋顶平台,屋顶花园;
- shed roofn.只有单面倾斜的屋顶;
- moon roof月顶
- roof gardenn.屋顶花园;
- angle of roof屋顶倾斜角;
- roof panel屋面板,车身顶盖;
- arched roof拱形炉顶,拱形屋顶;穹隆;
- 今日热词
- 热门搜索
- overcome v.克服;战胜;受到…的极大影响;被熏倒;
- loudspeaker n.扩音器,扬声器;喇叭;扬场器;
- reliable adj. 可靠的;可信赖的;真实可信的;n. 可靠的人;
- computer n.计算机,电脑;
- acquaintance n.相识的人,熟人;相识;对…有了解;知识,心得;
- transitively adv.及物地;
- necktie n.领带,领结;
- discontent n.不满,不平;不愉快;不满的人;
- installer n.安装程序;安装用工具;安装者
- anniversary n.周年纪念日;adj.周年的;周年纪念的;年年的;每年的;
- quake vi.发抖,颤抖;摇动,震动;
- settle v.结束(分歧);庭外和解;结(账);(使)坐下;(使)沉降;安排好;定居;注视着;降落;n.高背长椅;

