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【判断题】
注塑模具 CAD 是指技术人员以计算机为工具,对塑料模具进行绘图、分析计算和编写技术文件等设计活动的统称。A.
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错误
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【简答题】s hed h arden sink e quate slip cling stretch fasten 1. Many trees start to _____ their leaves during the late autumn . 2. 2. It's a shame these days many people ____ wealth with success. 3. After ...
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