The model is very suit able for the realization of the on-line objects and can be used for the on-line monitor of the boiler drum life or the quick-cooling devices of boilers.

这个模型非常适合于在线问题的实现，可以应用于锅炉汽包寿命在线监测系统或锅炉快冷装置中。

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Life is a cup of wine, life is a bugle call, life is to enter the drum.

人生是一杯酒，人生是一声号角，人生是进军的战鼓。

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When reconditioning drums for re-use, the coating is often removed. At the end of its life, the drum goes into a remelting furnace.

重复使用的鼓型桶维护经常剥离覆膜，在其生命周期终端，鼓型桶投进熔炉冶炼。

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De Vaucanson built two astonishing humanoid musicians--one played the flute and the other played pipes and drum--yet the automaton that brought him the most fame was a life-size mechanical duck.

FORBES