某三相异步电动机铭牌上标注的额定参数为:额定功率P2=80kW,额定转速nN=1470r/min,则其额定轴端输出转矩T2为( )。
发布时间:2026-01-23
A.519.7N·m
B.509.3N·m
C.384.6N·m
D.438.1N·m
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