After the retrofit, the configuration of the round gate on the ash box is unified, bringing convenience in repair and yielding good economic benefit.
改造后的灰渣箱圆门结构统一，给检修带来了方便，并取得了较好的经济效益。
After the retrofit, the configuration of the round gate on the ash box is unified, bringing convenience in repair and yielding good economic benefit.
改造后的灰渣箱圆门结构统一，给检修带来了方便，并取得了较好的经济效益。
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