皮下和纵隔气肿是一种罕见的并发症，拔牙和使用空气涡轮机往往被牵连。

Subcutaneous and mediastinal emphysema is a rare complication of dental extraction and the use of air turbines has often been implicated.

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举例来说，一项技术是通过风能将地下洞穴内的空气压缩产生电能；将空气输送至燃气涡轮机以提高燃烧功效。

One, for instance, uses power produced when the wind is blowing to compress air in underground chambers; the air is fed into gas-fired turbines to make them run more efficiently.

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本发明涉及具有内冷却的燃气涡轮机预混合器，具体而言，一种系统包括含有空气-燃料预混合器（170）的涡轮燃料喷嘴（144）。

The invention relates to a gas turbine premixer with internal cooling. A system that includes a turbine fuel nozzle (144) comprising an air-fuel premixer (170).

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