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- The paper introduced the application and practices of the electric magnetic speed control in the electric haulage coal shearer. 电磁调速在电牵引采煤机中的实际应用实践;
- The paper introduced the development, design and structure of the thin seam coal shearer with an electric magnetic sliding differential speed control in detail. 详细介绍了电磁滑差调速薄煤层采煤机的开发设计思路、结构特点;
- The paper introduced the haulage speed regulating device of the electric magnetic speed regulating electric haulage coal shearer with MC68HC05B6 microcomputer. 摘要提出了基于单片微型计算机MC68HC05B6的电磁调速电牵引采煤机牵引调速装置。
- multi coal shearer combined coal mining 多机联采
- automation followed with coal shearer 跟机自动化
- Thin seam coal shearer with electric magnetic speed control haulage 电磁调速电牵引薄煤层采煤机
- Common fault analysis and shootings of longwall coal shearer 长壁式采煤机常见故障分析及其排除
- Frequency converter with site main bus line control applied to coal shearer 现场总线控制的变频器在采煤机中的应用
- 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。
- Pile on more coal the fire is going out. 火快灭了,再加上些煤。
- What can we do with the bituminous coal? 这些烟煤可以用来做什么?