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【多选题】
测得混凝土坍落度值后,应进一步观察其黏聚性。具体做法是用捣棒轻轻敲击拌和物,若混凝土试体出现( ),说明混凝土黏聚性差。A.
突然折断
B.
崩解、石子散落
C.
底部明显有谁流出
D.
表面泌水
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A.
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B.
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C.
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D.
Eric's message got shared by many people.
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【简答题】Mark Brewer
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