名词
中文翻译：投影仪支架
同义词：
['projection stand', 'projection base']
例句：
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1.The teacher used a projector to show the presentation on the wall.
老师用投影仪在墙上展示了演示文稿。
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2.The student needs a projection table to watch the lecture in class.
学生需要投影仪桌来在课堂上观看讲座。
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3. The engineer designed a new projection table for the conference room.
工程师为会议室设计了一个新的投影仪支架。