2596| 1
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德國西門子的大電機是不是鍛壓機床上用的(據說新價要幾十萬元) |
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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