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退火可消除铸件或锻件中的组织缺陷,如粗大晶粒、成分不均匀.....
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Whats the attitude of the author towards jet trav.....
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寒邪致病,多见疼痛症状的主要原因是()A、寒为阴邪,伤阳失.....
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How can you attract bar waiters attention in Brit.....
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位于足背第2、3趾间,趾蹼缘后方赤白肉际处的腧穴是()A、内.....
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These magnificent ______ buildings demonstrate the great intelligence of the laboring peop..
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