Air recoil and pnermatic auxiliary scraper: this technology effectively reduces the solids remained in the drum and effective resume the performance of the filter cloths.

气体反冲及气体辅助刮刀装置：这种新技术的应用，可以使残余滤饼降低最少，以便滤布再生。

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Dual circuit air brake, front and rear drum brake, energy storage spring parking system.

双回路气制动，前后鼓制动，储能弹簧驻车制动。

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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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Finally, as noted at the outset, in Ms. Elliot's effort to drum up even more hype around her article, she conducted a 15-minute on-air interview with NPR.

CENTERFORSECURITYPOLICY: Center For Security Policy