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招投标阶段，混凝土工程施工中需单独计量计列的费用是（)。A．温控措施费B．混凝土冬期施工中对原材料

招投标阶段，混凝土工程施工中需单独计量计列的费用是()。

A．温控措施费

B．混凝土冬期施工中对原材料保温增加的费用

C．碾压混凝土施工过程中的配合比试验和生产性碾压试验的费用

D．预应力混凝土中固定锚索位置的钢管等所发生的费用

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第3题

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第4题

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第8题

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