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Wide speed range to meet the constant torque and constant power requests.
调速范围广，满足恒转矩区和恒功率区要求。
youdao
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The top-head has large torque, wide range of speed, big pull force.
动力方扭矩大、转速范围广，起拔力大。
youdao
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The top-head has large torque, wide range of speed, big pull force.
动力方扭矩大、转速范围广，起拔力大。
youdao