She felt intense pain as the blade bit into her flesh.
刀片划入她的肉时，她感到剧痛。
Based on the theoretical analysis, a new type of blade bit was invented. And this kind of bit combines the advantages of PDC bits and drag bits. And a series of field experiments were performed.
在理论分析的基础上，综合PD C钻头和刮刀钻头的优点，设计了一种新型的刮刀钻头，并进行了现场试验。
Whenever you need to change a blade or bit on a power tool, always disconnect the electricity to the power tool before even beginning the blade change.
你要更换刀具或给电动工具换位之前，都要切断电源。
应用推荐