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工业传动件，输送带，遥控门系统。
Power Transmission Equipment, Conveyor Belt and Auto Gate Systems.
youdao
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单电机，螺纹管设计：结构简洁，传动件少。
Single-motor construction, simple screw tube design, few operating.
youdao
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单电机，螺纹管设计：结构简洁，传动件少。
Single-motor construction, simple screw tube design, few operating.
youdao