coal crusher

例句：

1. 1. The coal crusher is used to crush large pieces of coal into smaller sizes for easier handling.
   煤炭破碎机用于将大块煤炭破碎成较小的尺寸，以便更容易处理。
2. 2.The coal crusher is an essential tool in the mining industry, helping to reduce waste and increase efficiency.
   煤炭破碎机是采矿业中不可或缺的工具，有助于减少浪费并提高效率。
3. 3.The coal crusher has a high crushing ratio and can quickly crush large pieces of coal, making it an ideal choice for industrial applications.
   煤炭破碎机具有高粉碎比，能够迅速破碎大块煤炭，因此是工业应用的理想选择。