;Point-to-point systems are suitable for hole-machining operations such as drilling, countersinking, counterboring, reaming,Boring, and tapping.
点位系统适用于钻
、
、
、铰、镗、攻丝等加工。
钻)[
，镗，镗阶梯]；沉，埋头Point-to-point systems are suitable for hole-machining operations such as drilling, countersinking, counterboring, reaming,Boring, and tapping.
点位系统适用于钻、、、铰、镗、攻丝等加工。
A locking device and a reverse counterboring tool bar are designed, their structure and working principle are introduced.
设计了一种锁紧装置和一反刀杆，介绍了
原理。
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表达内容亦不代表本软件的观点；若发现问题，欢迎向我们指正。
