A maintenance worker had used abrasive floor cleaner, instead of the usual mild detergent, to wash out cages and water bottles.

一位清洁工人用了具腐蚀性的地板清洁剂，而不是一般温和的洗涤剂来清洗笼子和水瓶。

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A maintenance worker had used an abrasive floor cleaner, instead of the usual mild detergent, to wash out cages and water bottles.

一位清洁工人用了具腐蚀性的地板清洁剂，而不是一般温和的洗涤剂来清洗笼子和水瓶。

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PlainPlain parking lot floor paint is composed of cement, hard abrasive resistant filling, special additive and inorganic pigment.

简约型停车场地坪是一种由水泥、超硬耐磨填料、特殊添加剂和无机颜料组成的地面耐磨材料。

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