问题
单项选择题
基坑的围护结构荷载主要来自（）所产生的土压力和水压力，并将此压力传递到支撑，是稳定基坑的一种施工临时挡墙结构。
A.基坑支护
B.基坑开挖卸荷
C.基坑上部荷载
D.动荷载
答案
参考答案：B
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基坑的围护结构荷载主要来自（）所产生的土压力和水压力，并将此压力传递到支撑，是稳定基坑的一种施工临时挡墙结构。
A.基坑支护
B.基坑开挖卸荷
C.基坑上部荷载
D.动荷载
参考答案：B
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