... motor driven welding machine 电动焊机; 电动机拖动式焊机 motor driving time relay 电动机式时间继电器 motor dynamo 电动发电机; 电动直流发电机 ...
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The filter of the utility model is composed of a roller for cleaning filtering materials, a roller for contaminated filtering materials, filtering materials, a driving motor, a time relay and a brush.
本实用新型的过滤器由清洁滤料滚筒、已污染滤料滚筒、滤料、驱动电机、时间继电器和刷子组成。
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