face cog
Mechanics
noun
(More fully face cogwheel) a cog or tooth on the flat part of a wheel, parallel to the axle, rather than on the rim.
Origin
Late 18th century.
| 单词 | face cog |
| 释义 | face cogMechanics noun (More fully face cogwheel) a cog or tooth on the flat part of a wheel, parallel to the axle, rather than on the rim. Origin |
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