2508| 2
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說文解字:機械的基本字詞 |
點評
量角器與角度儀的差別,量角器量取兩物件間夾角,角度儀則以地球g為基準,似乎"儀"就以地球為座標
評分 | ||
Archiver|手機版|小黑屋|機械社區 ( 京ICP備10217105號-1,京ICP證050210號,浙公網安備33038202004372號 )
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