AM1 Small size, the control voltage to control speed Gearbox increased torque increase Torque is linear circuit design benefit Cheap |
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AM3 Small size, the control voltage to control speed Gearbox increased torque increase Torque is linear circuit design benefit Cheap |
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AM4 Small size, the control voltage to control speed Gearbox increased torque increase Torque is linear circuit design benefit Cheap |
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AM6 Small size, the control voltage to control speed Gearbox increased torque increase Torque is linear circuit design benefit Cheap |
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AM7 Small size, the control voltage to control speed Gearbox increased torque increase Torque is linear circuit design benefit Cheap |