Moreover, the friction angle' s change rule and the reasons of different granules were analyzed and pointed out under the same water ratio.
在此基础上进一步分析了不同粉砂粒含量的土在相同含水率时的摩擦角变化规律及其原因。
You can change or stay the same, there is no rule to this thing.
要改变或是保持原状都没有所谓，做事本不应该有束缚。
You can change or stay the same, there is no rule to this thing.
要改变或是保持原状都没有所谓，做事本不应该有束缚。
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