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最佳答案：不要动这个花瓶,它就像是用钢做的一般.as if it were made of steel 和 as it were 都是虚拟语气,但是结构不同.前者是 “a
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最佳答案：Rubber coreFormer iron shell,iron shellSiliconised copperThe acrylic glue
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最佳答案：TheResearch Progress of Mammals’ Molecular Mechanism of Iron HomeostasisAbstract
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最佳答案：1.Someone in the subway exit waiting for you?2.Sometimes, I think the world is n
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最佳答案：公铁两用斜拉桥斜拉桥锚固区比一般斜拉桥受力更集中、构造更复杂,是控制设计的关键部位.要掌握锚固区的应力分布,不但要通过模型试验来对其进行研究,而且还要对其进行有
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最佳答案：introduction of metal materialsmetal materials are most widely used in our daily