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caving
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以下为句子列表:
英文: 14 Add PF-GLA for raise the resist caving capacity and lubricity.

中文: 加入PF-GLA以增强泥浆的防塌润滑性能。       更详细...
英文: Abstract: By applying the system reliability and ergonomics theory, the reliability mod el of the man-machine-environment system of roadway sub-level caving in steep seam is set up, and the calculation formulas for the usability and pro duction capacity o

中文: 文摘:应用系统可靠性和人-机工程学理论,建立了急倾斜煤层巷道放顶煤人-机-环境系统可靠性模型,给出了系统可用度和生产能力的计算公式。       更详细...
英文: Abstract: This paper discussed the roadways pressure characteristics of south sublevel caving region in Fengshan Copper Mine.By means of engineering practice and the measure results in site test,to counter the feature of roadways pressure,the supporting/r

中文: 文摘:对丰山铜矿南缘无底柱崩落法采区的巷道地压特征进行了探讨,针对其地压显现特点,结合工程实践和现场实验测量的结果,提出了不同地质条件下巷道的支护加固方案和地压控制措施。       更详细...
英文: Aiming at stress analysis of dip angle fully mechanized top-coal caving support in mining, from the technique of designing and mining, put forward technique measurements: reduce gap of support beam; increase the inter-frame jack in neighboring support bea

中文: 针对大倾角放顶煤支架在开采过程中的受力情况,提出了防止液压支架倾倒的技术措施是:①减少支架顶梁间隙;②在邻架顶梁间增设调架千斤顶。       更详细...
英文: Analyzed the relationship of fully mechanized top-coal caving hydraulic support's stress state and enclosing rocks under the condition of large dip angle, and the main factors of influence support stability.

中文: 摘要分析了大倾角条件下综放开采液压支架的受力状态与围岩的关系,以及影响支架稳定性的主要因素。       更详细...
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