The modes of tool damage include plastic deformation on cutting edge of high-speed steel tool and tipping of ceramics tool.
刀具破损的主要形式为高速钢刀具切削刃塑性变形和陶瓷刀具的崩刃。
Research on vibration problems which is the main reason causing bottom drilling tool failure, can reduce drilling tool damage and emergence of underground accidents.
振动问题一直是引起底部钻具失效的主要原因，对其进行研究能减小钻具损害和各类井下事故的发生。
In the inventive combustion type driving tool, damage on the switch can be avoided without covering the switch with such an elastic body.
在本发明中，不必采用这样的弹性体来包覆，也可使开关避免受到损伤。
In the inventive combustion type driving tool, damage on the switch can be avoided without covering the switch with such an elastic body.
在本发明中，不必采用这样的弹性体来包覆，也可使开关避免受到损伤。
应用推荐