grinding ball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程和特性。 - Variation and failure of the grinding ball of high chromium white cast iron during production and service are mainly caused by the internal stress.
內應力是造成高鉻白口鑄鐵磨球在生產和服役過程中出現變異和失效的主要原因。
