Set up and operate machine tools to perform repetitive machining operations, such as turning, milling, drilling, boring, planing, honing, broaching, grinding or other machining operations.

安装和操作机器工具来执行反复加工操作，如车，铣，钻，镗，刨，珩磨，拉削，磨削或其他加工业务。

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Machining Center is installed in a card, to achieve automatic milling, drilling, boring, Reaming, Tapping and other processes of CNC machine tools.

加工中心是指在一次装卡中，能够实现自动铣削、钻孔、镗孔、铰孔、攻丝等多工序的数控机床。

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Chevron began drilling this ultradeep well over a year ago, with the objective of boring down to big sub-salt prospects 29, 000 feet beneath the surface.

FORBES: Chevron Makes Big Discovery In Louisiana - And It's Not Even Done Drilling Yet