To detect water leaking of underground tube, the traditional method relies on the sound-electricity transformation. Therefore, detection sensitivity, depth and distance suffer great limitation.
传统的检测地下管道漏水的方法是以声—电转换为基础，这使得灵敏度、深度和距离都受到很大限制。
The morning of September 29, Xishan Coal and Electricity Group Vice President Xue Zhanru line to work with the Coal Group to conduct research on urban transformation.
9月29日上午，西山煤电集团副总经理薛占儒一行来同煤集团就旧区改造工作进行调研。
Based on actual electricity load, optimizing the transformation of the existing power supply system, reduction of expenditure on basic tariff.
依据实际用电负荷，优化改造原有供电系统，减少企业基本电费支出。
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