复合材料，比如以光纤玻璃和碳纤维合成的塑料树脂，已经在车辆、飞行器等产品制造中广泛代替金属。
Composites such as fibreglass and carbon fibre bonded in a plastic resin are already widely used to replace metal in making, for instance, cars and aircraft.
“787梦想”以50%复合材料和碳素纤维复合物制造，这种材质比传统铝质材料更轻更耐用。
The Dreamliner is made of 50% composite materials, carbon-fiber enforced polymers that are both lighter and more durable than traditional aluminum.
这种细长梁由质轻但坚韧的碳纤维复合材料制成，负责承载引擎、起落架和机翼结构。
The long, slender beams that carry engines, landing gear and wing structure are made from light but tough carbon-fibre composites.
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