There, she learned how to operate various machines and saw how cotton fibers were weaved into wearable materials.

在那里她学会了操作各种机器，了解了怎样将棉花纺成布料。

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I center specializing in the production of carborundum wearable Floor sales materials, product development and production sets, planning and design, project construction in one.

我中心专业生产销售金刚砂耐磨地坪材料，集产品研制生产、规划设计、工程施工于一体。

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BY (s) - wearable material is a new inorganic composite materials.

耐磨料是一种新型无机复合型建筑材料。

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