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- Movement Rule of Top Roof and Top Coal in Horizontal Section Caving Mining in Deeply Inclined Thick Coal Seam 急倾斜厚煤层水平分段放顶煤开采顶板和顶煤运移规律研究
- top roof and top coal 顶板顶煤
- The movement of top coal and top roof is discussed with the data observed from the caving mining of deeply inclined thick coal seam with horizontal section in Zhaogezhuang colliery of Kailuan Group. 就开滦集团赵各庄矿在急倾斜厚煤层采用水平分段开采过程中的现场观测，探讨顶煤和顶底板运移。
- The coal seam of No. 5102 face in Wuyang coal mine is steep, soft, and undulate.Aiming at this problem, the displacement and stress of top coal, roof and floor were researched by using UDEC software. 摘要针对五阳煤矿5102工作面倾角大、煤层松软、煤层起伏大、综放开采的条件，利用UDEC数值模拟软件分别通过沿工作面走向和倾向剖面建立模型，对顶板（煤）、底板的位移和应力变化进行了研究。
- Study on top coal caving below roof and floor in steep seam 急倾斜顶底板处顶煤放出规律研究
- He fell over the roof and dashed out his brains on a pile of stones below. 他从屋顶上掉下来，摔在下面的一个石堆上，撞得脑浆迸裂。
- There is a hole in the roof and it is raining in. 房顶上有个洞，雨水从洞里落进来。
- Top coal caving technology in high inclination-angled soft coal seam with hard roof and soft bottom 坚硬顶板软煤软底大倾角综放开采技术
- The research on roof pressure and top coal caving in low-position caving coal face 低位放顶煤工作面顶板来压和顶煤垮落研究
- I'll climb up on the roof and go down the chimney. 我将爬上屋顶，从烟囱中下去。
- I've repaired the roof and it's quite sound now. 我修了屋顶，现在它挺坚固的。
- Use: windows of roof and balcony. 用途：屋顶窗，阳台窗。
- STUDY ON RELATIONSHIP BETWEEN ROOF STABILITY AND TOP COAL's RECOVERY RATIO DURING CYCLIC WEIGHTING IN FULLY-MECHANIZED SUBLEVEL CAVING FACE 综放采场周期来压阶段顶板结构稳定性与顶煤放出率的关系
- Rain rattles the roof and thutters at the window. 雨滴便开始击打着屋顶和窗子。
- A dessert of sliced fruit, ice cream, and toppings. 盛有冰淇淋、奶油、水果的甜食
- Rain rattles the roof and shutters at the window. 雨点不停地冲刷着房顶，敲打着窗户。
- A pound's worth of super,and top up the oil,please. 请加一英镑的优质汽油并加满机油。
- Rain rattles the roof and thrusters at the window. 雨点不停地冲刷着房顶，敲打着窗户。
- Surface mounting and top entry type. 表面安装,正面进线形式。
- It is time to clean your roof and gutter. 现在是清理屋顶和排水沟的时候。
