milling coal的用法和樣例：
例句
- Liming Heavy Industry is an international exporting enterprise that produces professionally crushing and screening, sand-making and industrial milling equipment.
黎明路橋重工是專業生產破碎篩分，人工制砂以及工業制粉設備的國際型出口企業。 - The results of emulation show that the said neural network has good effectiveness, laying a foundation for optimized operation and automatic control of the coal pulverizing system.
模擬結果表明，網路效果良好，為制粉系統優化運行和自動控制奠定了基礎。
