Abstract
Power tools have gradually entered the life of ordinary families in today's society, and the most typical one is the power drill tool. The development of electric drill tools has gone through several stages of portability, comfort, flexibility, high efficiency and durability. Now, facing the needs of ordinary households, the household electric drills on the market are more professional electric drills to reduce power and volume. The reduction of the power drill is not really designed fr
手持电动工具精准化设计-13579字.docx