“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	management of water industry Management of water park management of water resources management of water supply facilities management of well logging radioactive source library management on marine ecological red lines management on publication printing management oversight and risk tree analysis management paradigm management plan management planning management planning ideas of Dongting Lake basin in Ancient China management planning of nature reserve management position description questionnaire，MPDQ management procedure management process management process school management program management psychology management regulation for bird banding Management Regulation of Tongji Weir Irrigation District Management Regulation on Receiving Foreign Satellite Television Programs from Satellite Earth Receiving Facilities Management Regulations on Public Places Health management responsibility system of non-commercial forest management right of contracted land

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。