“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	septet septi- septic graph septic infarct septic surface septieme septilateral septillion septorhinoplasty Septuagint septum septuple septuple product identity septuple space septuplet septuplet, septet sequel Sequel of A Dream of Red Mansions sequel of detention Sequel of Shi Zhecun on Ancient Chinese Material Culture Sequel of the Golden-Lotus Sequel of the Journey to the West Sequel of the Nanke Dream Sequel of Water Margin Sequel of Yue Fei's Biographies Collection in Room Jintuo

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