... 双重熔化法，双炼法duplex process 双重收缩double contraction 水玻璃，水位计water glass ...
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... 剩余收缩率 residual contraction 双倍收缩率 double contraction 体积收缩率 cubical contraction; volumetric shrinkage ...
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double contraction pattern 双重收缩模
·2,447,543篇论文数据，部分数据来源于NoteExpress
As Spain endures a double-dip contraction, there are concerns that the stern economic medicine might be more than an already weakened patient could tolerate.
WSJ: Spaniards Feel Sting of Big Budget Cuts
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