基本解释[机械工程]瓦楞纸箱cad系统英汉例句双语例句In this paper, the research & development of the CAD system of corrugated box structure-CBSCAD are mainly discussed.本论文重点讨论瓦楞纸箱结构CAD系统CBSCAD的研制与开发。corrugated paper box cad system更多例句专业释义机械工程瓦楞纸箱cad系统