溜矿井 meaning in Chinese

ore chute

The technical reform of main ore pass system in shizishan copper mine
狮子山铜矿主溜矿井系统的技术改造
Abstract : an original model of thinking about dustproducing and its characteristics at ore dropping point in oresliding pit , and a selfcleaning spray install is designed and its suitable effect is good
文摘:通过对溜矿井卸矿点产尘及其特点的研究，提出了一种独特的防尘思维模式，并有针对地设计出一种自净式喷雾装置，适用效果良好。