1)rise heading drivage,rise driving,上山开采法2)winning to the top,沿上山开采3)rise working,上向开采法4)uphill and aowhill mining,上下山联合开采5)up-pit and down-pit mining method,上、下山开采方式6)across over rise-entry,穿越上山开采
用法例句
Finally,some safety technical measures of mining across over rise-entry are put forward.
