【单选题】【消耗次数：1】
确定地基承载力特征值时，当基础宽度大于（ ）或基础埋深大于（ ）时，需对其进行深度或宽度的修正。
①
2m、1m
②
3m、0.5m
③
2m、2m
④
1m、2m
参考答案：
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