化学实验物品数量众多，品种繁杂，主要包括材料、低值品和易耗品等三大类。
There are a variety of materials and goods for chemical experiment, which mainly include materials, low-value articles and consumable articles.
化学实验物品数量众多，品种繁杂，主要包括材料、低值品和易耗品等三大类。
There are a variety of materials and goods for chemical experiment, which mainly include materials, low-value articles and consumable articles.
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