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。