“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	spontaneous transition spoof localized surface plasmon spooky action at a distance SPOOL spool spool file spooling spooling system spoon-billed sandpiper spoonerism spoon worms sporadic sporadic burst sporadic coronal condensation sporadic group sporadic meteor sporadic radio burst sporadic radio emission sporadic radio source sporadic simple group sporadic solar radio burst sporadic solar radio emission sporadic solar X-ray burst sporadic solar X-ray emission sporadic solar γ-ray burst

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