... closed degassing system 闭式除气系统 closed depression 封闭洼地 closed diving bell 闭式潜水钟 ...
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... 闭合盆地；内流盆地 closed basin 闭湾 closed bay 闭洼 closed depression ...
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closed-loop depression curve methods 闭环衰减曲线法
·2,447,543篇论文数据，部分数据来源于NoteExpress
It said demand for goods had led to the re-opening of factories closed during the depression.
VOA: special.2010.07.01
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