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- DBT supplies the full range of equipment from hydraulic shield supports, electro hydraulic controls, conveyors, ploughs and shearers to crushers and diesel transport vehicles. DBT提供从液压支架、电液控制系统、运输机、刨煤机、采煤机到破碎机、辅助运输系统的成套设备和解决方案。
- hydraulic shield support 掩护式液压支架
- hydraulic shield supports 掩护式液压支架
- A calibration valve oil for hydraulic shield safety valves was formulated by a base oil obtained from the distillate of a deep-refining paraffinic crude with qualified additives. 以深度精制的石蜡基馏分油为基础油，添加具有改善油品性能的添加剂研制了液压支架安全阀校阀油。
- A calibration valve oil for hydraulic shield safety valves was formulated by a base oilobtalned from the distillate of a deep-refining paraffinic crude with qualified additives. 以深度精制的石蜡基馏分油为基础油，添加具有改善油品性能的添加剂研制了液压支架安全阀校阀油。
- Abstract: A calibration valve oil for hydraulic shield safety valves was formulated by a base oil obtained from the distillate of a deep-refining paraffinic crude with qualified additives. 文摘:以深度精制的石蜡基馏分油为基础油，添加具有改善油品性能的添加剂研制了液压支架安全阀校阀油。
- The fact shows that the single leg type shield support and the technology of discharging coal in the side is an efficient method of coal mining under the condition of steep thick coal seam. 通过井下生产实践表明：单腿支撑柔性掩护支架采煤法和侧向放煤技术相结合是开采大倾角厚煤层一个新的、有效的采煤方法。
- The paper pointed out the development tendency of the pseudo inclined coal mining with flexible shield supports. 提出了伪斜柔性掩护支架开采技术以后的发展趋势。
- Characteristics and Prevention Technology of Spontaneous Combustion in Goaf Area of False Dip Longwall Mining Face with Flexible Hydraulic Powered Shield Support 伪倾斜柔性掩护支架工作面采空区自然发火特点及防治技术
- Pursue the Achievement of Shield Support to Mine and Cognition 推行掩护支架采煤的成果与认识
- A Tryout of the Mining Method with Flexible Shield Support 柔性掩护支架采煤法在我矿的试用
- Lead aprons shield people from radiation. 铅做的工作裙可使人免进辐射。
- The scribe worked hard to support his family. 那个抄写员辛勤工作来养家。
- The building is made of hydraulic cement. 大楼是用水硬水泥建造的。
- The hydraulic lift is over there. 液压升降机在那儿。
- I have a wife and two children to support. 我有妻子和两个小孩要扶养。
- He had to work hard to support his family. 他不得不努力工作来养家。
- The pillars have to support the weight of the roof. 这些柱子须承受屋顶的重量。
- He lied to the court to shield his friend. 他对法庭说谎以包庇自己的朋友。
- We all support his scientific research. 我们都支持他的科学研究。
以上内容独家创作，受著作权保护，侵权必究
海词词典，十七年品牌
