friction angel是什么意思 friction angel怎么读
friction angel的用法和样例
- The cohesion and modulus of compression of the substratum are deeply reduced after water gushing in pits, but the internal friction angle of the substratum doesn't change.
基坑突水破坏使得基底软土层的黏聚力和压缩模量显著下降，而对内摩擦角的影响较小。
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