LED灯具须在稳定的、精心调控的电流强度下运行，不应在超过其额定电压或额定电流的情况下超负荷运行。
The LED fixture shall be operated at constant and carefully regulated current levels. LEDS shall not be overdriven beyond their specified nominal voltage and current.
运行状态包括额定负荷、负荷调节后的稳态及励磁调节后的稳态。
The operating conditions are those steady state conditions, such as the one with rated load, the one after load regulation and the one after field regulation.
在相近低负荷条件下运行的不同出力的锅炉，额定出力大的锅炉烟尘排放量大。
The flue dust emission concentration from heavy rated capacity boilers was high when different low rated capacity boilers worked under the similar load.
负荷增大到200%额定值时可运行1或2小时，增大到约120%额定值时可运行24小时。
This increase in rating might approach 200% for an hour or two, and approximately 120% for 24 hours.
负荷增大到200%额定值时可运行1或2小时，增大到约120%额定值时可运行24小时。
This increase in rating might approach 200% for an hour or two, and approximately 120% for 24 hours.
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