名词
中文翻译：预绘图
同义词：
['preparatory drawing', 'preliminary draft']
例句：
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1.Before the final decision is made, we need to conduct a thorough pre-drawing of the project.
在最终决定之前，我们需要对项目进行彻底的预绘图。
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2. The engineer drew a pre-drawing of the bridge before starting construction.
工程师在开始建设前绘制了桥梁的预绘图。
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3. The artist created several pre-drawings of the painting before finalizing it.
艺术家在完成这幅画之前，制作了几个绘画的预绘图。