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- Supply transformers for underground coal mine well are earthed at neutral point. 很多地方煤矿在供电方面存在不安全的隐患,向井下供电的变压器中性点接地。
- While conveying the coal slope roadway in coal mine well,hydraulic drawwork has become the main equipment conveyance including person. 在煤矿井下采区倾斜巷道运输中,液压绞车已成为一种包含运人的主要运输设备。
- Through the reform practice of coal mine well ventilated machine,this article analyzes the ideas to renew the coal mine electromechanical equipment and sums up experiences briefly. 本文通过对煤矿通风机的改造实践,探讨煤矿机电设备更新换代的思路并进行简要经验总结。
- They are ventilating the sap of a coal mine. 他们正在使煤矿坑道通风。
- PLC Is under Coal Mine Well Application with Leather Belt Conveyance PLC在煤矿井下带式输送机运输中的应用
- That coal mine is no longer worked. 那个煤矿已经不经营了。
- It is too raw. I wanted mine well done. 太生了,我要的是做得熟透的。
- Press the Contaminative Control Liquid Oil System to the Next Liquid in Coal Mine Well 对煤矿井下液压系统油液污染的控制
- It is too raw.I wanted mine well done. 太生了,我要的是做得熟透的。
- Relationship Between Job Stress and Health Among The Coal Mine Well Descends Workers 煤矿井下工人工作应激情况及其与健康的关系
- Soil and Water Conservation Technology and Its Effects on Small Watershed in Shangwan Coal Mine Well Field 上湾煤矿井田小流域水土保持技术与治理效果
- They underwrote the coal mine's bonds. 他们同意买下该煤矿的未认购的股票。
- Coal Mine Well That Talk Selectivity Descends High Pressure Electricity to Protect to Establish 煤矿井下高压电气保护的选择性设置
- There is a coal mine near my home town. 我的家乡附近有一个煤矿。
- We decided to open out a coal mine near the city. 我们决定在城市附近开发一煤矿。
- I don't like my steak too underdone. Make mine well done. 我不喜欢吃太生的,给我做熟一些。
- The coal mine was closed down due to exhaustion. 这煤矿因矿源枯竭而关闭了。
- They are developing a new coal mine. 他们在开发新煤矿。
- They sold the coal mine at a profit. 他们把煤矿卖掉赚了钱。
- China Geological Coal Mine Corp. 中国地方煤矿总公司。