...）八、塑料收缩管21个、自攻螺丝21个（两样搭配应用，墙上挂小挂件）九、塑料箱1只常识小课堂冲击电钻（electric impact drill），以旋转切削为主，兼有依附操纵者推力发生冲击力的冲击机构，用于砖、砌块及轻质墙等资料上钻孔的电开工具。
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Supporting the use of impact drilling electric drill. Drilling, hole spacing with hole depth should meet the design requirements.
钻孔使用配套冲击电钻。钻孔时，孔洞间距与孔洞深度应满足设计要求。
Production of electrical tools, such as electric drills impact, Angle Angle grinder, saw, electric drill and curves.
生产各类电动工具，如冲击电钻，角向磨光机、电钻和曲线锯等。
The invention relates to a reduction gearbox of an electric tool, in particular to an assembling structure of double-speed impact electric drill gear reduction gearbox.
本发明涉及一种电动工具的减速箱，具体地说是一种双速冲击电钻齿轮减 速箱的装配结构。
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