预热

Controlling the preheating temperature for fuel oil of heat Medium heater is a key to increase the efficiency and stable operation of heater,also a way to save energy and reduce loss.

对热媒炉燃料油预热温度的控制是热媒炉提高炉效、稳定运行的关键，也是节能降耗的有效途径。

Preheat the oven to 300 degrees F. Grease a baking sheet with oil.

烤箱预热 400F，烤盘二个，用铝铂纸覆盖表面

High quality,high efficiency,energy saving,safety,environmental protection,longer service life of die,opening while using without preheat before opening .

高品、高效、节能、安全、环保、延长模具使用寿命、工作时即用即开，无须提前开机预热。

Scones: Preheat oven to 400 degrees F (200 degrees C) and place rack in middle of oven.

烤饼 ：预热烤箱至400华氏度（ 200摄氏度）和地点机架中的微波炉。

The Mistake: You didn't preheat the pan, and your fish fillets turned out soggy.

错误3：没有预热平底锅，导致鱼片很湿。

To prepare the rigatoni: Preheat the oven to 400°F.

做贝壳通心粉之前准备好：烤箱预热至204℃。

To solve the problem of heat saving and gas pollution in industry kiln,an environmental protection device has been designed,which reheats the air using special equipments and uses the bag filter to clear up the gas.

解决工业炉窑上烟气的余热利用和排烟污染问题，设计了一套具有节能、无污染排放功能的环保设备，采用蓄热装置预热空气，布袋除尘消除黑烟排放。

To solve the problem of heat saving and gas pollution in industry kiln, an environmental protection device has been designed, which reheats the air using special equipments and uses the bag filter to clear up the gas.

解决工业炉窑上烟气的余热利用和排烟污染问题，设计了一套具有节能、污染排放功能的环保设备，采用蓄热装置预热空气，布袋除尘消除黑烟排放。

After a time the flow is reversed,the newly heated brick s being used to preheat the air and gas, while the exhaust reheats the checker chambers which have cooled during the first phase.

间隔一段时问，气流改变方向，利用新加热的格子砖来预热空气和煤气，而废气又把前一阶段已冷却下来的蓄热室再加热。

After a time the flow is reversed,the newly heated bricks being used to preheat the air and gas, while the exhaust reheats the checker chambers which have cooled during the first phase.

间隔一段时问，气流改变方向，利用新加热的格子砖来预热空气和煤气，而废气又把前一阶段已冷却下来的蓄热室再加热。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。