Last Updated：2025/12/05
Sentence
技術者は効率を高め、重量を減らすために遊星歯車を用いて変速機を再設計した。
Quizzes for review
The engineer redesigned the transmission using epicyclic gears to improve efficiency and reduce weight.
See correct answer
The engineer redesigned the transmission using epicyclic gears to improve efficiency and reduce weight.
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