timing gear
Engineering
noun
A mechanism that controls timing; specifically (in an internal-combustion engine) the mechanism by which the valves are made to open and close at the right time.
Origin
Late 19th century; earliest use found in Outing.
| 单词 | timing gear |
| 释义 | timing gearEngineering noun A mechanism that controls timing; specifically (in an internal-combustion engine) the mechanism by which the valves are made to open and close at the right time. Origin |
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