pistol-grip air drill 枪柄气钻
pistol-griair drill 枪柄气钻
The switch of the direct current stepless speed regulation is widely used in the electrician switch. The pistol electric drill direct current stepless speed regulation switch belongs to example.
直流无级调速开关在电工开关中有着广泛的应用，手枪电钻的直流无级调速开关便是其中一例。
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