桑干河峡谷山高谷深,地处燕山沉降带中,地质构造非常复杂,个良地质发育,并有煤矿采空区。
The Sangganhe River gorge with high mountains and deep valleys is very complicated in geological structure.
试验所获应变分布表明,带孔件在变形过程中存在拉深和翻边两种变形趋向性,在模具参数和工艺条件完全相同的情况下,其可能的变形趋势与孔的尺寸有关。
The results showed that, there is a deformation tendency of drawing, and flanging and the tendency is related to, in the same parameter of die and the same technological conditions, the hole size.
当一个板块被迫深人另一个板块下面的地幔中时,强烈的深源地震一般会发生在俯冲带的下部。
Deep seated earthquakes, often severe in magnitude, generally occur beneath subduction zones, as one plate is forced deep into the mantle beneath another.
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