【delta-ring】什么意思_英语delta-ring的翻译_音标_读音_用法_例句_在线翻译

delta-ring

三角垫

... Deltapine cotton (美) 岱塔派棉 delta-ring 三角垫; 三角形密封圈 delta-star transformation 三角星形接线变换 ...

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短语

delta ring 三角断面密封圈

delta ring flange 三角皮带环形凸缘

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abstract: In mathematics, a nonempty collection of sets \mathcal{R} is called a δ-ring (pronounced delta-ring) if it is closed under union, relative complementation, and countable intersection:

以上来源于: WordNet

Xijiang grand bridge across the outer ring expressway between Jiangmen and Zhaoqing in Zhujiang delta economic zone is the most striking bridge engineering.

西江特大桥是珠江三角洲经济区外环公路江门至肇庆高速公路工程中最为关键的桥梁工程。

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