Air is compressed and sent through a clean-up system where moisture, carbon dioxide, and hydrocarbons are removed.

空气通过一个去除了水蒸汽、二氧化碳和碳氢化合物的清洁系统压缩和输运。

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Optimists point out that Japan made many mistakes, not least the time it took to clean up its banking system.

乐观主义者指出日本犯过很多错误，尤其是它们整顿银行系统的时间。

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The cd command failed, and the cleanup script continued anyway until there was nothing left on the system to clean up.

cd 命令失败，清理脚本一直继续，直到系统上没有任何东西留下可以清理。

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Kim Young Sam promised to clean-up the political system.

BBC: News Online

The co-operative now has until the end of the year to clean up its selling system.

ECONOMIST: Farming

Blaming the fact that staff used Linux operating systems on their production machines for "not noticing sooner", it advised concerned users to load some up-to-date antivirus software and "make sure your system is clean".

BBC: Scareware launched from tech blog