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- Water inrush from the bottom coal layer in mining work faced now is rather serious in Northern China coalfield, which constraints seriously the normal economical benefits. 在我国华北煤矿区,回采工作面煤层底板突水问题相当严重,困扰着煤矿经济效益的正常发挥。
- THEORY, METHODS AND APPLICATION IN ANALYZING THE FORECASTING INFORMATION OF WATER INRUSH FROM THE BOTTOM COAL LAYER IN NORTHERN CHINA COALFIELD 华北型煤田煤层底板突水预测信息分析理论、方法及应用
- Northern China coalfield 华北煤田
- A typical TEM exploration curve acquired in a coalfield in northern China was inversed using 1-D inversion software and the maximum depth is 1400 m. 以实测典型华北煤系地层瞬变电磁曲线为例，其计算机反演深度达1400 m；
- Question: How about the friction in northern China? 问：华北的磨擦问题怎样?
- They may be taken precedence in northern China. 伊豆表现早熟、果实品质极上,适宜密植;
- Fight to the finish in defence of northern China and the seacoast. 为保卫华北和沿海各地而血战到底。
- For instance,it has been put into practice in northern China. 例如在华北，已经实行了民主政治。
- Nutrient balance in rice field ecosystem of northern China. 北方稻田生态系统养分平衡研究。
- For instance, it has been put into practice in northern China. 例如在华北，已经实行了民主政治。
- The Xianbei is an ethnic minority group in Northern China. 鲜卑族是我国北方的一个少数民族。
- In this paper,ultrasonic simulation method has been applied to study seismic waves affected by Karst zone in limestone of North China coalfield. 应用地震波超声模拟方法，研究了华北型煤田的煤系底部奥灰岩岩溶发育带对地震波的响应特征，为地震勘探技术应用于矿井台水提供了依据。
- The Xibo is an ehnic minority group living in Northern China. 锡伯族是分布在我国北方的一个少数民族。
- Our slogans are: Armed defence of Peiping, Tientsin and northern China! 我们的口号是：武装保卫平津华北！
- Our slogans are: Armed defence of Peiping,Tientsin and northern China! 我们的口号是：武装保卫平津华北！
- The geometrical characteristics of sunken column in North China Coalfield is summarized from the aspects of its planar shape, sectional shape,development height and axle center change, etc. 从平面形状、剖面形状、发育高度及中心轴变化方面,总结了华北煤田陷落柱的几何特征。
- This is Tanghulu, a traditional hibernal appetizer in northern China. 这是糖葫芦,中国北方的传统冬季开胃食品。
- Sometimes also used the Pan-Tatar said all ethnic groups in northern China. 有时也用鞑靼泛称中国北方各民族。
- Linhe is located in northern China, western Inner Mongolia, a new city. 临河位于中国正北方，是内蒙古西部的一个新型城区。
- Juma is the longest in northern China, therefore the non-frozen river. 因此拒马河是我国北方最长的不结冰的河。
