| 释义 |
white charcoal
基本例句
白炭
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。
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。 |