Retention aid, Defoamer, Deposit Controller, Felt Controller, Preservative, Slime Controller, System Cleaner.

助留剂、消泡剂、网部树脂控制剂、毛布树脂控制剂、防腐剂、粘泥控制剂、清洗剂。

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Fuel-efficient: fuel system cleaner, oil products increased atomization, incomplete combustion gas mixture, to maximize power.

省油：燃油系统清洁，油品的雾化程度提高，混合气完全燃烧，功率达到最大化。

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Michael suggested that, though refactoring and rewrite might lead to cleaner code however, both the techniques bring chaos to the existing system.

Michael建议，虽然重构和重写都会使代码更加清晰，但是这两种技术都会导致现有系统的混乱。

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It is time to take our foot off the gas and develop a cleaner, safer energy system we can all afford.

BBC: Viewpoints: Fracking's risks and benefits

The reasons for developing a cleaner, safer, more secure energy system are well known.

FORBES: Raising Gas Taxes Wouldn't Cut Consumption, But It Still Makes Sense

The WEO report called on all governments to act quickly to "steer the world towards a cleaner, cleverer and more competitive energy system".

CNN: Report urges fuel revolution