A method is also presented for calculating the side area and volume of critical rocks with arbitrary pentahedron as example.
以任意

为例,介绍了危石侧
积、积
计算方法。



A method is also presented for calculating the side area and volume of critical rocks with arbitrary pentahedron as example.
以任意

为例,介绍了危石侧
积、积
计算方法。
声明:以上例句、词

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