open-pit and ground mining 露井联合开采
mining ground 布雷区
Ground water mining 地下水开采
ground-water mining recharge 地下水开采补给量
mining ground subsidence 开采地表沉陷
mining under ground 地下开采
The voltage loss calculating method of the low voltage electrified wire netting at ground mining area is introduced.
介绍了煤矿井下采区低压电网电压损失的计算方法。
However, the displacement and deformation of surface ground by underground mining have destroyed initial equilibrium between the building and the ground.
但是由于地下开采引起地表产生的移动和变形,破坏了建筑物与地基之间的初始平衡状态。
EVERYTHING to do with mining is impressively vast. It is an industry that makes huge holes in the ground and relies on trucks with tyres the size of houses.
和矿业有关的事情都是巨大的,这个行业在地球上挖出大洞,用车轮和房子一样大的卡车运输。
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