雅思写作高分词组整理 crease line

雅思写作高分词组整理 crease line


释义:

crease line 折线;裤中线

例句:


This article is mainly discuss folding Angle, crease line, body-board's height of auto-bend tray-type carton, which supplies mathematic model for the development of carton package CAD.

本文讨论了盘式自动折叠纸盒的折叠角及体板高度等数学问题,为该类包装纸盒CAD开发建立了有效的数学模型。

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