丽莎：是的，当然。加工中心能执行各种功能，比如铣、镗、钻、攻螺纹和铰削。
Lisa: Yes, of course. A machining center can perform various functions, such as milling, boring, drilling, tapping and reaming.
因此超声波钻削乃至铰削在精加工方面是一种有前途的工艺方法。
Our conclusion is that the ultrasonic drilling or ultrasonic reaming is suitable for finish machining of holes and a promising process to be used in machining aluminum and car bon steels.
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