Model testing study is made on prefabricated spiral V-notch blasting, and hydromatic method is used to simulate the quasi-static process in blasting of explosive.
因此，研究螺旋切槽裂纹的扩展以及与螺旋角等的关系，具有
义。
Model testing study is made on prefabricated spiral V-notch blasting, and hydromatic method is used to simulate the quasi-static process in blasting of explosive.
因此，研究螺旋切槽裂纹的扩展以及与螺旋角等的关系，具有义。
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