I just learned that this is for folding Carton.

Secondly, the theory and method of folding carton structure CAD system based on the method of piecing together are studied and discussed.

然后，重点研究和探讨了基于拼合法折叠纸盒结构CAD系统的理论和方法；

Lines Design of Paperboard for Folding Carton

折叠纸盒纸板纹向设计

Analysis to the Shaping of Auto End-locked Structure in Vertical Rectangle-terrace Folding Carton

直四棱台折叠纸盒自锁底成型条件的分析

Analysis on the working score design of the discretional rectangle-terrace folding carton

任意四棱台折叠纸盒作业线设计条件分析

Paperboard line is a key factor influencing the appearance and strength of folding carton.

纸板纹向是影响纸盒外观及其性能的重要因素。

Discussion on the Compression Strength of Folding Carton

关于折叠纸盒抗压强度的讨论

Shoe Box The Styles And Method of Structure Design for Folding Carton End of broad size

宽面折叠纸盒盒底的结构形式和设计方法

Because of this design is a folding carton is critical to quality assurance.

纸盒质量保证的至关重要的一环。

The Design of the Working Score of Folding Carton

折叠纸盒作业线设计

Research of the working score of functional folding carton

功能型折叠纸盒作业线的研究

Bottom lock structure is a common carton structure in folding carton design.

在折叠纸盒结构设计中，锁底式结构是一种常见的盒底结构。

Point of developing folding carton profession-design software

折叠纸盒专业设计软件的开发要点

Development of CAM Technology used for the Fabrication of Folding Carton

折叠纸盒CAM技术的发展

He walked on, quite careless of the elements.

他还是向前走，不在乎天气恶劣。

It was careless of you to go out without locking the door.

你居然不关门就出去了，太粗心了。

It was very careless of you to leave the medicine where the children could get it.

你居然把药物放在孩子们拿得到的地方，真是太粗心了。

It was careless of Tom to lose the key.

汤姆真粗心，把钥匙丢了。

It's careless of her to make such mistake.

她犯这样的错误真是太粗心了。

It ´ s careless of you to make such a mistake.

你犯这样的错误真是粗心。

It was careless of me to have made too many mistakes in my composition.

我太粗心了，在作文中犯了很多错误。