white charcoal

• 白炭

white charcoal的用法和样例：

例句

1. A new approach for production of inorganic fluoride compound and silica white is described.
   介绍一种无机氟化合物和白炭黑生产的新方法。
2. Our county is in great need of high-grade white carbon black and nanometre silica products.At present, the products are imported.
   我国对高档白炭黑和纳米级二氧化硅产品需求量大，目前主要依靠进口此项目产品。