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- Aimed at the shortcomings of coalface passing through fault as low speed, low efficiency and low-quality coal and so on, a new technique was suggested. 摘要针对采煤工作面过断层速度慢、效率低且影响煤质等缺点,提出工作面快速无矸石过断层清洁开采技术。
- Combined with engineering cases, the mechanism of inrush through fault which is water-inconductive in initial geological condition, has been studied. 结合工程实例分析了原始地质条件下的不导水断层在采动影响下透水并最终导致突水事故发生的作用机理。
- In Perterson coil system, it can be decreased that the capacitor current through fault point and the over-voltage caused by the grounding fault, which is advantage for the extinguishments of electric arc. 中性点经消弧线圈接地后,有效减小了流过故障点的电容电流,减小了弧光接地过电压,有利于电弧熄灭。
- After the neutral point is grounded through Peterson coil, it can decrease the capacitor current through fault point and the over-voltage caused by the grounding fault, which is advantage for the extinguishments of electric arc. 中性点经消弧线圈接地后,有效地减小了流过故障点的电容电流,减小了弧光接地过电压,有利于电弧熄灭。
- Method of Coal Drift Heading through Fault 煤巷掘进过断层方法
- They cleaved a path through the wilderness. 他们在荒原中开辟出一条路。
- I was paging through a magazine when he came in. 他进来时我在翻阅一本杂志。
- The archers sent their shafts through the air. 弓箭手向空中射出利箭。
- technique for passing through fault 过断层工艺
- All coal faces at the northen of Datong Mining Bureau Yungang Mine because of their development process of geologic structure have to down steep seams and pass through faults. 针对大同矿务局云冈矿井田北部断层等地质构造发育的特点,从开采方法和采煤工艺上进行了探讨和论证。
- A flu epidemic raged through the school for weeks. 流感在这所学校里蔓延了几个星期。
- They became unemployed through no fault of their own. 他们的失业不是由于自身的过失造成的。
- The crowd fell back to let the players through. 人群后退让运动员们通过。
- He thumbed through the directory to look for her number. 他翻阅电话号码簿找寻她的号码。
- He worked very fast, insomuch that he was through in an hour. 他工作得很快,一小时内便做完了。
- If we can pull through this recession, we will be in good shape. 如果我们能渡过这段经济不景气的时间,我们就会好多了。
- The tuck slowly ploughed through the mud. 车在泥泞中吃力地缓慢行驶。
- He piloted us through the large factory. 他领我们参观了这个大工厂。
- He looked through a pane of glass. 他从一块玻璃看过去。
- How odd they have gone through the eccentric thing! 他们经历了多么离奇古怪的事!
