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- It is put forward that the top coal of low gaseous steep seam can be caved only when the top coal is in the limiting equilibrium state of stress under the abutment pressure. 应用弹塑性理论分析了矿山压力对急倾斜煤层顶煤破碎的作用,认为在低瓦斯急倾斜煤层中只有当顶煤在支承压力的作用下进入应力极限平衡状态时,顶煤才可放出,据此计算顶煤可能的分段高度。
- Probing into Caving Method of Roadway in Steep Seam 急倾斜煤层巷道放顶煤采煤法的探索
- Preventive Measures for Waste Fall in Longwall Faee of Steep Seam 急倾斜煤层长壁回采工作面窜矸防治措施
- Repetitive mining subsidence with thick soil layers and steep seam 厚冲积层急倾斜煤层群开采重复采动下的开采沉陷
- Rather, in a medium steeped in sexual innuendo but too often devoid of real passion, Buffy dared to bare not just her shoulders but her own desires. 反之，身处在一个只求肉欲不问真情的环境中，芭菲不只敢露自己的香肩，也敢于表现自己真实的欲望。
- All coal faces at the northen of Datong Mining Bureau Yungang Mine because of their development process of geologic structure have to down steep seams and pass through faults. 针对大同矿务局云冈矿井田北部断层等地质构造发育的特点，从开采方法和采煤工艺上进行了探讨和论证。
- Some problems of flexible shield mining in steep seam 急倾斜柔掩面几个主要问题剖析及对策
- Genesis of Floor Downslide on Steep Seam and its Countermeasures 急倾斜煤层底板下滑的成因及防治
- 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
- There was a steep climb on the road out of town. 市外公路上有一处很陡的上坡路。
- Do you think you can climb that steep cliff? 你以为你能爬上那座悬崖峭壁吗？
- Let the tea leaves steep in boiling water for five minutes. 让茶叶在滚开的水中浸泡五分钟。
- That overloaded truck jibbed at the steep hill. 那辆超载的卡车爬不上陡坡。
- English is not the usual medium of instruction in our school. 英语不是我校通常使用的教学语言。
- The climber had to negotiate a steep rock face. 那攀登者得攀越一陡峭岩石。
- The mountain rise up in a steep wall of rock. 这座山高而陡，形成一道岩石屏障。
- The mountain rose up in a steep wall of rock. 这座山高而陡，形成一道岩石屏障。
- A seam broke open at the sleeve. 袖子上接缝处裂开了一点。
- They climbed the steep mountain inch by inch. 他们一点一点地攀上那座陡峭的山。
- An ASCII control character, end of medium. 一种ASCII码控制字符，媒体结束符。
