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单词
sun-and-planet gear
释义
WordReference Random House Unabridged Dictionary of American English © 2024
sun
′
-and-plan
′
et gear′
(sun
′
ən plan
′
it),
USA pronunciation
[
Mach.
]
Mechanical Engineering
a planetary epicyclic gear train.
1900–05
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更新时间:2024/9/21 13:47:11