Significant factors include regulation of line voltage, temperature of the room in which the device operates, temperature control, and condition and age of the lamps.

主要的因素包括：线路电压的调节、设备房间室温、控制的温度、条件以及灯的寿命。

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In a hot steel strip production line, the coiling temperature control is critical for strip quality.

在热轧带钢生产线上，卷取温度的精确控制对带钢质量是至关重要的。

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But Controled cooling USES temperature control, time control on the whole line and speed of rolling.

而控制冷却可采用全线的温度控制、时间控制、轧制速度来实现。

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