“four-ball test machine”的概念、定义、翻译、参考文献-科学参考

单词	four-ball test machine
释义	four-ball test machine Encyclopedia 工学摩擦学试验释 four-ball test machine四球试验机以一个钢球在压力作用下，相对三个同尺寸水平固定钢球旋转摩擦的摩擦试验机。简称四球机。
随便看	software development cycle software development environment software development library software development method software development model software development notebook software development plan software development process software device software disaster software documentation software efficiency software engineering software engineering economics software engineering environment software engineering management software engineering methodology software engineering process model software engineering tools software error software error, software bug software evaluation software evolution software experience data software failure

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。