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The company is a professional manufacturer of stone processing tools and equipments.
公司是一家专业生产石材加工工具及加工设备的企业。
youdao
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The stone mortar is one of the earliest tools for processing grains.
石臼是人们最早加工谷物的工具之一。
youdao
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The stone mortar is one of the earliest tools for processing grains.
石臼是人们最早加工谷物的工具之一。
youdao