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- Study on Influence Factors of Rib Fall of Coal Wall in Mining Workface 采煤工作面煤壁片帮影响因素研究
- rib fall of coal wall 煤壁片帮
- Application of Roof Supporting New Technology for Side Fall of Coal Wall while Full-Mechanized Face Demolition 综采工作面劈帮顶板支护新工艺在拆除过程中的应用
- He had had his leg injured trying to save a mate from a fall of coal. 他在煤矿倒塌时为救一个同伴而伤了腿。
- The paper carefully analyzes bolt supporting system, and measures the parameters of coal wall rock in Fuxin diggings. 本文对锚杆支护理论进行了系统分析，并对阜新矿区煤巷围岩的参数进行了实验测定。
- A fall of rocks blocked the road. 掉落的岩石把路封住了。
- The fall of the river here is three feet. 这里河水落差为三英尺。
- We need to replenish our stocks of coal. 我们需要再次补充煤的储备。
- The fall of the Cabinet will make good copy. 内阁的垮台将成为(报纸等的)好材料。
- Prohibition was laid on the export of coal. 禁止煤炭输出。
- I am reading a book about the rise and fall of the Roman Empire. 我正在看一本关于罗马帝国兴衰的书。
- He put a shovel of coal on to the fire. 他往火炉里加了一铲煤。
- The poem depicts the Fall of Man. 该诗描述的是人类的堕落。
- We had a big delivery of coal today. 今天我们收到大批订购的煤。
- The rise and fall of the temperature is caused by the wind. 气温的上升和下降是刮风引起的。
- type of coal wall being pushing out overall 整体推出型
- A fall of such water; a rainstorm. 骤雨这种水的下降; 暴雨
- The country is short of known deposits of coal. 这个国家缺少已知的煤矿矿床。
- After the fall of France, Britain was really up against it. 法国沦陷以后，英国的处境十分危险。
- An inexhaustible supply of coal. 用之不竭的煤炭供应
