This prototype is actually designed and integrates lighter and more efficient components, conforming to mass-production requirements.
这实际上是原型设计和集成更轻和更有效的组成部分，符合大规模生产的要求。
This prototype is actually designed and integrates lighter and more efficient components, conforming to mass-production requirements.
这实际上是原型设计和集成更轻和更有效的组成部分，符合大规模生产的要求。
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