Recently she found a black virgin statuette cemented to the rock face.
近来她还发现在岩石的表面上粘了一个黑色天然的小雕像。
2
The stresses in salt rock surrounding a cavern are lower than those in the virgin ground and with distribution as hydrostatical pressure surrounding a pumping well.
盐岩洞室周边附近区域内围岩的应力较低，其分布呈现出抽水井附近的水压力特征。
3
Through analyze the failure mechanism and structural feature of mine pillar and upside rock, the reasonable virgin coal width formula has been obtained.