As an administrator, you need the ability to take a given machine cleanly out of production so you can apply those changes.

作为管理员，应该能够将某个指定计算机从生产中干净地分离出来，以便对其应用这些更改。

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Study shows that production of lightweight aggregate using sludge and fly ash as raw materials can consume massive wastes cleanly, and greatly reduce treatment cost compared with calcination methods.

研究结果表明：生产污泥一粉煤灰陶粒，不仅可以大量干净地处理污泥和粉煤灰，其生产成本也大大低于各国常用的焚烧处理法。

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Study shows that production of lightweight aggregate using sludge and fly ash as raw materials can consume massive wastes cleanly, and greatly reduce treatment cost compared with calcination methods.

研究结果表明：生产污泥一粉煤灰陶粒，不仅可以大量干净地处理污泥和粉煤灰，其生产成本也大大低于各国常用的焚烧处理法。

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