韩国三级中文字幕,国产精品久久久久久久久夜色,日本成人免费观看,精品成人一区二区三区免费视频,看一级美女视频,污美女视频软件,免费观看动漫美女视频网站

ⅠUse reason ：

  The rawhide has protein and massive fat which is easy to corrupt and deteriorate, moldy and spoil occuring in the storage process.

ⅡUse scope ：

     BY-02 mainly uses in aspergillus,penicillium, paecilomyces,fusariumthe and mould spore on the leather.

ⅢTechnical index and usage：

   By technical personnel on-the-spot guidance.