Ellagitannin, the main tannin in oak, is an important factor influencing the quality of grape wine in oak barrel.
鞣花单宁是橡木中的主要单宁，是影响橡木桶贮葡萄酒质量的重要因素之一。
Our factory is located in Baiyun District of Guangzhou City, Guangdong, Main Jewelry box, wine barrel pot of tea, perspex products, cosmetics, such as a round box.
我厂位于广东广州市白云区，主营首饰圆盒、红酒罐茶叶筒、有机玻璃制品、化妆品圆盒等。
The process flows and technical regimes of main sequence of barrel nickel plating for steel battery shell were introduced.
介绍了一种电池钢壳滚镀镍的工艺流程和各主要工序的工艺规范。
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