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- red seam coal 红层护煤
- Through analysing the parameters,construction,designing principle of MG300BW type thin seam coal winning,this paper discusses its developing vista in extremum thin seam winning. 通过对MG300BW型薄煤层采煤机的参数、结构设计原理进行分析,论述在薄煤层开采中的发展前景。
- 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;
- Study on the function between red seam micro deposit and water- rock in Tengxian coal field 滕县煤田红层微观赋存与水-岩作用研究
- Thin seam coal shearer with electric magnetic speed control haulage 电磁调速电牵引薄煤层采煤机
- Thin Seam Coal Mining of Steep Slope and Short Distance 急倾斜近距离薄煤层的开采
- A bright red welt rose on his arm. 他的手臂上起了明显的条状红肿。
- A red light is usually a signal of danger. 红灯通常是危险的信号。
- He wore a red carnation in his buttonhole. 他的扣洞上了一朵红色康乃馨。
- DBT full automatic coal plough technology and thin seam coal mining in China DBT全自动化刨煤机技术和我国的薄煤层开采
- The boy is daubing a piece of paper with red ink. 那孩子正在用红墨水在纸上乱涂。
- He pulled a red sweater on over his shirt. 他在衬衣外面套上了一件红色毛衣。
- Keep on go till you come to a red brick building. 一直往前走直到一座红砖楼为止。
- The land is laid down with red or white clover. 这块土地种上了红花和白花苜蓿。
- Everyone at the rally wore red ribbons as favours. 参加集会的人都系著红丝带作为支持大会的标记。
- Her criticisms were enough to make anyone see red. 她那些批评任谁都得火冒三丈。
- I have a red tracksuit with fleecy lining. 我有一件红色的有羊毛衬里的运动服。
- How much money are you riding on the red horse? 你在那匹红马身上押了多少钱？
- How much red ink is there in the ink-pot? 墨水瓶里有多少红墨水？
- A red pencil-mark on the fifth page caught his eye. 在第5页上一个红铅笔记号引起了他的注意。
