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This experiment reports using clayish crushed stone for production of aerated concrete.B05 and B06 grade aerated concrete were prepared successfully using different clay content.

本研究利用不同含粘土量的硅质石屑作为硅质材料成B05、B06混凝土

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Aerocrete building block product to replace non-burning and cement brick building block for building wall body top of products of material of products finally too.

混凝土砌块产品也是最终取代免烧砖和水泥砖砌块品的建筑用墙体材料的产品之最。

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BBC Newsround

What is RAC and why are schools being told it's dangerous?

混凝土,为什说它有危险?

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BBC Newsround

So RAC stands for, it's R-A-A-C, so it's Reinforced Autoclaved Aerated Concrete.

所以RAC代表的混凝土,即R-A-A-C,强化 autoclaved 轻质混凝土

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BBC Newsround

Well, in England, as you said, there's around 147 schools with RAC.

好吧,在英国,正如你所说,大约有147所学使用混凝土

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BBC Newsround

So any school that has rack in part of its building has been asked to close that area until it's been made safe.

所以任何学如果其建筑部分使用了混凝土,都被要求关闭该区域,直到确保安全为止。

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BBC Newsround

Well, it's going to take a bit of time for those schools that have rack, for builders to come in to get it fixed.

嗯, 些使用混凝土的学, 修缮工作可能需要一些时间,施工人员会进来进行修复。

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BBC Newsround

Well, yes, in 2018, so five years ago, there was a school in Kent, and it had rack in part of the building, just around the staff room.

好吧,的,在2018年, 也就五年前,肯特有一所学, 学的一部分建筑里使用了混凝土,就在教职工休息室周围。

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