Most common performance is that the two team lined up in a circle by lifting their drums, and the team wins the game by beating and holding the drum in the air forlonger period of time.

最常见的是龙虎两队排成两排的对赛和围成圈儿的追鼓。 对赛就是将桶鼓举起敲打，没有力气先放下鼓的人就输了。

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Automatic lifting of shearer drum is one of key techniques of coal face automation, and its core is identification technique of coal and rock interface.

滚筒自动调高是实现采煤工作面自动化的关键技术之一，其核心是煤岩分界识别技术。

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In the process of lifting the high pressure steam drum of a 9e HRSG, great deformation and stress may happened to the drum and associated pipes.

某热电厂早期进口的9e HRSG高压汽包上抬过程中，汽包或与汽包相连的部件可能产生过大的变形和应力。

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