建立在20世纪50年代的机器中心是一个能够在程序控制下进行多种不同机器操作的机器工具.机器中心能够碾碎、钻孔、铰孔、攻丝、镗孔、打磨和相似的操作.另外,有代表性的特种化数控机床的特征如下：
英语翻译The machining center,developed in the late l950s,is a ma
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