More than 7,000 small coal mines were to close imminently, Li Yizhong, director of the State Administration of Work Safety, announced at a conference on work safety on Monday. 國家工作安全管理部門(mén)主任李益中，在星期一的一次工作安全會(huì )議商說(shuō)，有超過(guò)七千家的小型煤礦亟待關(guān)閉。
Moreover, in the regions surrounding Beijing, such as Shanxi and Hebei, small coal mines have been shut down for safety concerns, leading to some power tightness. 而且，北京周邊的地區如山西和河北，出于安全擔憂(yōu)而關(guān)閉了一些小型煤礦，這也導致電力緊張。
