| 单词 | rolamite |
| 释义 | rolamite in British English (ˈrəʊləˌmaɪt) noun engineering a frictionless bearing device using two rollers and a moving flexible band rolamite in American English (ˈroʊləˌmaɪt) US noun an almost frictionless bearing consisting of two or more rollers on a flexible metal band,that serves as a suspension system in various devices, as switches, valves, pumps, etc. Word origin arbitrary coinage based on roll |
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