题目内容

现场钢筋砼预制桩在堆放时,堆放层数不宜超过()层

A. 1
B. 2
C. 3
D. 4

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当采用机械开挖基坑时,应在基坑底面标高以上保留()厚的土层采用人工清底

A. 0.10m~0.15m
B. 0.15m~0.20m
C. 0.15m~0.30m
D. 0.20m~0.30m

土方边坡坡度是以与其之比表示

砖墙砌体的组砌形式主要有、和梅花丁几种

The wife cried bitterly when she called her husband because _________________.

A. she was told she was not the daughter of her father.
B. she met some difficulties.
C. their cat was killed by the dog.
D. their kid was ill.

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