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单词 spiral gear
释义

WordReference Random House Unabridged Dictionary of American English © 2024
spiral gear, 
    1. Mechanical Engineeringa type of helical gear used for transmitting power between shafts that are at an angle to each other.
    2. Mechanical EngineeringSee spiral bevel gear. 

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更新时间:2025/7/23 18:55:03