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| 单词 | lost motion |
| 释义 | lost motion in American English the difference in the rate of motion of driving and driven parts of a machine, due to faulty fittings, etc. lost motion in American Englishnoun Machinery 1. motion of a machine or mechanism, esp. a reciprocating one, during which no useful work is performed 2. motion between parts in an assembly due to manufacturing tolerances, adjustments, slip, or wear Word origin [1875–80] |
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