子弹头是错误的，应该做成水滴型，见室内赛车头盔，子弹头只减少前部口空气阻力，不减尾部湍流干扰

来源: 老键于 2025-05-29 17:26:35 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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