文物保护范围 cultural relic protection scope 文物保护工作以 Conservation Work Used 文物保护单位 officially protected monuments and SlteS ..
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conservation work used
所进行的保育工作
以上为机器翻译结果，长、整句建议使用 人工翻译 。
And so you could have used the work-energy theorem or you can use the conservation of mechanical energy.
所以你也可以用，功能定理，或者是机械能，守恒定律。
youdao
His sign is occasionally removed by officials for conservation work and a replica is used as a substitute - the replica is now being used again to replace the stolen original.
BBC: Auschwitz's sign of death and defiance
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