如何节约能源？
Learning how to take care of your chain can save you time and energy.
学习如何照顾您的链条可以节省您的时间和精力。
What! Me Travel?: How to Save Time Energy and the Big Bucks.
什么！我同行：如何节省时间，能源和雄鹿大。
This paper explores how to save heat energy in edible oil refining process.
探讨和研究了在食用油脂精炼过程中如何节约热能的问题。
This week, we have learned how to express "clean up", "save energy" in English.
这一周，我们学会了用英语表达打扫卫生，爱护环境，节约能源。
This week, we have learned how to express "clean up", "save energy" in English.
这一周，我们学会了用英语表达打扫卫生，爱护环境，节约能源。
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