The invention is characterized in that the invention includes a flywheel and a plastic fan blade which is tightly fixed on the screw hole of the flywheel by a bolt.
特征是包括飞轮、塑料风叶轮，塑料风叶轮用螺栓紧固在飞轮的螺孔上。
The utility model relates to a saw capable with quick replacement of a saw blade, which comprises a saw handle, a saw blade, a screw bolt and a handle.
本实用新型涉及一种可速换锯片的锯，包括有锯柄、锯片、螺栓和手柄。
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