The utility model comprises an air drum, a setting scale for air inflow, a positive negative pressure gauge, a respiration valve and a face mask;

本实用新型有一个气鼓，一个进气量设定标尺，一个正负压力表，一个呼吸活瓣，一个面罩；

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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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As South Koreans stop flying abroad, Korean Air is trying to drum up more business from America by luring expatriate flyers home.

ECONOMIST: Asian airlines

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

The influences of Air and Godrich are easy to distinguish in "The Operation, " which adds a metronomic drive of analog drum machine to the simmer of synth pads and intertwining guitar and piano.

NPR: Lamenting a Love That Gets Under the Skin