The study results indicate that there is a soil liner shell outside the mortar liner shell, and the shear strength of the soil liner is obviously higher than the undisturbed soil.
研究结果表明，砂浆衬砌外侧存在一个抗剪强度明显高于原状土体的土质外衬。
The frame of electro-mechanical safety and arming device (S&A) is established, and the electro-mechanical S&A for the mortar shell fuze is designed at the end of the paper.
最后构建了引信机电式安全系统的系统框架，并结合迫击炮弹引信开展了机电式安全系统的设计。
Research indicates that mortar and soil could be pressured into a stable lining structure through explosive lining. Free face is one of the important factors influencing shape of the lining shell.
研究表明，爆炸衬砌可以使砂浆和土壤形成稳定的衬砌结构，自由面是影响砌体形状的一个重要因素。
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