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