People are sacrificing depth and feeling and becoming cut off and disconnected from other people.
人们正在牺牲深度和感觉，慢慢中断和其他人的联系。
Thee three factors of cutting include cutting speed, feed and the depth of cut.
切削用量三要素包括切削速度、进给量和（或叫吃刀量）。
They provide a constant depth of cut and fewer blade changes.
它们提供了切不断深入和减少叶片的变化。
They provide a constant depth of cut and fewer blade changes.
它们提供了切不断深入和减少叶片的变化。
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