US renewable energy consumption will exceeds coal
According to data released last month by the U.S. Energy Information Agency (EIA), the renewable energy generation in the United States may consume more energy than coal by 2020. |
2021-01-13 15:10
全国煤矿智能化采掘工作面达494个 同比增加80%
近年来我国煤矿智能化建设取得积极进展,2015年全国煤矿仅有3个智能化采掘工作面,2019年达275个,2020年增至494个、同比增加80%;已有采煤、钻锚、巡检等19种机器人在煤矿现场实施应用。 |
2021-01-12 10:09