耐用的棉帆布建设和耐候涂料，斜挎包。
Messenger bag with durable cotton canvas construction and weather-resistant coating.
本产品由全棉帆布、尼龙帆布、聚脂帆布，经过压延、成型、硫化等工序精致而成。
The product is made of cotton canvas, nylon canvas or EP canvas and finished through the processes of calendaring. Building, vulcanizing and etc.
本课题主要研究全棉帆布的生物酶精练和低温无碱漂白前处理工艺，并对生物酶的精练机理进行初步探讨。
This research mainly studied on the pretreatment of cotton canvas with enzymes and bleaching without alkali, and preliminary probed into the mechanism of enzymatic scouring.
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