质量达标即可,超过部分是浪费,投资性价比不合理。比如造飞机造得好不好就看承力结构件能不能做到正好在设计破坏载荷下破坏。
质量达标即可,超过部分是浪费,投资性价比不合理。比如造飞机造得好不好就看承力结构件能不能做到正好在设计破坏载荷下破坏。
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