碳纤维复合材料近年来也日益增多的用于汽车上，主要用作车身外板、车门、进气路管和活门盖等。

As technologies develop, in recent years, carbon fiber composites are also used in automobile, mainly as body panels, roof, door and inlettake, etc.

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对于大型反重力铸造设备的气路系统，重点从气路系统的进气环节、调节环节和排气环节进行了设计研究。

Thirdly, the paper provides lots of information on the pneumatic system of the equipment, puts emphasis on the design of gas-in part, adjustment part and gas-out part of different systems.

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