The down proof cotton fabric was obtained through the resin finishing.
运用树脂整理的方法，使棉织物具有防钻绒效果。
With the acoustic paper or sound proof cotton , the punch ceiling increase absorption capacity of whole closed space and the noise reduction can alter the impact .
冲孔天花板背面加入隔音纸或者隔音棉，有助于增加整个密闭空间的总吸收量，降低噪音给我们带来的影响。
The proof test of cotton fibre is the foundation for determining the specifications and the structure of spinning machine's components, and is also the base of spin technics designing.
棉纺织的纤维检验是确定纺纱机工艺部件规格、结构以及纺纱工艺设计的依据，对成纱的产品质量影响较大。
The proof test of cotton fibre is the foundation for determining the specifications and the structure of spinning machine's components, and is also the base of spin technics designing.
棉纺织的纤维检验是确定纺纱机工艺部件规格、结构以及纺纱工艺设计的依据，对成纱的产品质量影响较大。
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