cdddd:http://www.100xuexi.com/question/questiondetail.aspx?tid=2998&pid=a4d8e710-6261-4608-8597-4a4fe207bce3&qid=22a17222-3dca-4ab1-b9b1-2aaff1235df9
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-pEt= 基坑工程中土的抗剪强度指标取值
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