Afforests in the indoor arrangement may play the adjustment humidity, reduces the noise, the scavenging air, regulates room temperature role.

在室内布置绿化可以起到调节湿度，降低噪音，净化空气，调节室温的作用。

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The engine is a two-stroke, crosshead type, direct reversible, constant pressure turbocharger and scavenging air cooled common rail Marine diesel engine according to licensor standard execution.

该机器是两冲程，十字头式，直接换向，恒压增压及横流扫气船用柴油机。

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Exhaust gases are expelled from the engine by compressed-air scavenging.

废气被驱逐出境的引擎的压缩空气清除。

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So Tom Frost, an iRobot engineer at the scene, built a makeshift network of radio repeaters by scavenging old Soviet trucks that littered Bagram Air Base.

MSN: New robots well trained for war