这一环节的优势十分突出，技术垄断性强、行业集中度高，现金流稳定，风险相对较低——无论下游“淘金客”成败，都离不开硬件工具的支撑。但风险同样不容忽视：技术迭代可能颠覆现有硬件需求，且过度依赖资本循环，若下游融资断裂，订单规模或将大幅缩水。
县城有种在失序中令人心安的感觉。大城市日新月异，农村人越来越少，仿佛只有县城，还保留着旧日的底色和新时代的光辉。
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A few months later, the Korean War broke out and his former fellow apprentice pilots were sent to South East Asia. Many never got to finish their education.