ash and slag

• 灰渣

ash and slag的用法和样例：

例句

1. The ash melting process is a key process for dioxins zero emission.
   其中，灰渣的熔融处理是限制二恶英零排放的重要步骤。
2. The melting equipments of secondary and treatment devices of aluminium ash at home and abroad are introduced and analysed.
   摘要对国内外再生金属的熔炼设备及铝灰渣处理装置进行了介绍和分析。