boring head

基本解释

First half of this year we have many UK companies MK3 LANDesk cannon boring head overhaul.
今年上半年我们为英国多斯克公司MK3掘进机炮头进行大修。
The design combination boring head is for enhances the box body the processing precision and the efficiency.
其中设计专用夹具和组合镗头的应用进一步提高箱体的加工精度和效率。
According to the needs of technology and processing, we should design four special boring head which is two side by two side.
根据工艺和加工的需要，两两并排设计4个专用的镗削头。