圆盖，读音是yuán gài，汉语词语，意思是圆形的盖子或天。
圆盖塑料模具设计_机械设计毕业论文、模具设计论文、数控论文范文_毕业论文天下网 关键字】塑料模具；圆盖；ABS。 [gap=951]Key word] Plastic mould; Rounded lid; ABS.
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评论：虽然这个问题一般的客人是不会发现的，但那块直凸凸封在天花板上的白色圆盖，左想右想也不会想到是最新科技运用。
Comment: although the question would not be often noticed, but the white color round cover seems not look like the one connection with latest technique use.
利用同步多点压力扫描技术对一个圆拱顶屋盖进行了风洞试验。
Wind tunnel tests of a dome like roof were carried out by means of the synchronous multi-pressure scanning technique.
芒奇金人的屋子，都是样式奇怪的建筑物，每一幢是圆的，盖着一个大的圆屋顶，完全漆着蓝色，因为在这东方的国度里，蓝色是大家喜爱的色彩。
The houses of the Munchkins were odd-looking dwellings, for each was round, with a big dome for a roof. All were painted blue, for in this country of the East blue was the favorite color.
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