在面团上扫上蛋汁，再把面团放入已预热至185度的焗炉中焗15分钟即可。
Brush the dough with egg wash. Then put the dough in the preheated oven and bake it at 185c for 15 minutes.
在国内某电厂的300MW机组锅炉上，利用炉墙上的观火孔，分别用扫频信号、白噪声信号和正弦信号进行了冷态下的声学测温试验。
Experiment on acoustic pyrometry is done using the chirp signal, white noise and sine wave respectively in a 300MW boiler in one domestic power plant, through fire hole on furnace wall.
煤气发生炉点火前一定要吹扫加热炉内和烟道中可能残存的煤气。
Gas occurrence boiler ignition former must sweep of heating furnace and flue gas may remaining.
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