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- A fault diagnostic expert system for coal entry tunneller's hydraulic system has been built, and the system structure, knowledge acquirement and experssion, inference rules were introduced. 建立了一个煤巷掘进机液压故障诊断专家系统,介绍了系统的结构、知识表示、推理机制及知识获得等。
- In solving the problem of deformation in surrounding rocks of the overlying coal entry caused by upper protective seam mining, reinforcing the surrounding rocks by grouting is a feasible method. 摘要为了解决下保护层开采对上覆煤层巷道围岩变形的影响,采用注浆加固巷道围岩是一种可行的方法。
- Bolting technique in large section coal entry 大断面煤巷锚杆支护技术
- Technique of bolt and beam supporting in coal entry 煤巷锚梁支护技术的应用
- Application of bolting in three-soft gob-side coal entry 锚杆支护在三软沿空煤巷中的应用
- Study of bolting with wire mesh in coal entry with thin parting 薄夹矸下煤巷锚网支护探索
- Bolt with beam, mesh and cable supporting in coal entry 煤巷锚梁网索联合支护技术
- Key theory and technique of coal entry bolt supporting 煤巷锚杆支护的关键理论与技术
- Application of coal entry cable technique in deep well 深井煤巷锚索加固技术的应用
- Application and Development of Quick Heading Equipment in Coal Entry 煤巷快速掘进设备的使用与发展
- We need to replenish our stocks of coal. 我们需要再次补充煤的储备。
- She piled on more coal before the fire go out. 在火熄灭之前她又加上些煤。
- I add the coal on the flame continuously. 我不断朝火里添加煤炭。
- They are ventilating the sap of a coal mine. 他们正在使煤矿坑道通风。
- Prohibition was laid on the export of coal. 禁止煤炭输出。
- He put a shovel of coal on to the fire. 他往火炉里加了一铲煤。
- That coal mine is no longer worked. 那个煤矿已经不经营了。
- We have enough coal to see the winter out. 我们有足够的煤过冬。
- They eked out their coal by collecting firewood. 他们拣拾木柴以补充煤的不足。
- We had a big delivery of coal today. 今天我们收到大批订购的煤。