“perilous rock”造句，怎麼用perilous rock造句

5、The results of numerical simulation scientifically prove the deformation and failure characteristics of perilous rock this area under the mining activities.

2、Technology application of plastic anchors in treatment of perilous rock collapse in Xiangshan of Zhenjiang

4、Rock cells formed by the effects of different weathering of lithology of cliffs or steep slopes are the cause for collapse of perilous rock.

3、Discussion on spatial prediction of perilous rock in the Three Gorges reservoir area of Yangtze River,China

1、The core of the study on chained regularity of perilous rock is to confirm the avalanche time of each perilous rock suffering from different loads.