powdered carbon

• 粉状碳,碳粉

powdered carbon的用法和样例：

例句

1. The black powdered carbon holds the suitable share in the market.
   黑色碳粉在市场上占有相当的份额。
2. Amorphism can occur when carbon powders are refined further.
   当作用时间较长时，碳粉会发生无定形化。