题目内容

已知某试验室配合比水泥:水:砂:石为316:174:695:1264,若工地砂子含水率3%,石子含水率1%,则1m3混凝土的各材料量分别是:砂() kg,石子() kg,水泥() kg,水() kg。

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I always get hungry.

I'm starving.

The first thing I do when I wake up is brushing my teeth and washing my face.

I grab some bread to eat in the morning.

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