The effect of excavation unloading has been studied on the ground of open-pit slope project in this thesis.
本文以露天矿边坡为工程背景，对边坡开挖的卸荷效应进行了研究。
That main excavation and loading equipment at present in domestic large-scale open-pit is the Electric shovel.
目前国内大型露天矿山的铲装设备主要是电铲。
That main excavation and loading equipment at present in domestic large-scale open-pit is the Electric shovel.
目前国内大型露天矿山的铲装设备主要是电铲。
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