grinding-balls的用法和樣例：
例句
- The non-equilibrium crystallizing processes and the characteristics of the metal mould nodular iron grinding ball have been discussed in this paper.
摘要用彩色金相法分析研究了金屬型球鐵磨球非平衡凝固過(guò)程和特性。 - The process to produce manganese-nodular-iron balls with phosphoricping iron, its features and economic profit are introduced.
介紹了利用高磷生鐵制取中錳球鐵磨球的工藝過(guò)程和特點(diǎn)及顯著(zhù)的經(jīng)濟效益。
