Oblique well type laser water level measurement equipment provides a new method of data acquisition and transmission for water level measurement under special conditions.
斜井式激光水位测量装置，为特殊条件下水位测量提供一种新的采集传输手段。
The special strata in the faces at close-distance seams are concluded, the technical scheme and characteristics of new-type support equipment used under special geological conditions are introduced.
总结了近距离煤层开采工作面不同于一般煤层开采面的矿压特征，介绍了根据特殊地质条件开发新支护设备的技术思路及其结构特点。
The special strata in the faces at close-distance seams are concluded, the technical scheme and characteristics of new-type support equipment used under special geological conditions are introduced.
总结了近距离煤层开采工作面不同于一般煤层开采面的矿压特征，介绍了根据特殊地质条件开发新支护设备的技术思路及其结构特点。
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