单选题Ambient temperature is the （）.Aamount of temperature rise with no loadBtemperature of the compartment where the motor is locatedCnormal operating temperature, less the room temperatureDamount of temperature developed by an operating motor
单选题
Ambient temperature is the （）.
A
amount of temperature rise with no load
B
temperature of the compartment where the motor is located
C
normal operating temperature, less the room temperature
D
amount of temperature developed by an operating motor
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