灌注混凝土时,灌注的桩顶标高应高出设计标高( )多余部分在接桩前凿除。
A.0.1~0.5m
B.0.5~1.0m
C.1.0~1.5m
D.1.5~2.0m
参考答案:B
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A. to
B. at
C. on
D. for
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