离开浮于空中
发表于 2025-3-21 16:18:46
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alabaster
发表于 2025-3-21 22:29:07
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窃喜
发表于 2025-3-22 01:25:02
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Relinquish
发表于 2025-3-22 06:22:39
https://doi.org/10.1007/978-1-4615-7296-1Teer; Tunnel; construction; environment; infrastructure; iron; structure; surface; technology
清醒
发表于 2025-3-22 09:20:17
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披肩
发表于 2025-3-22 14:37:13
Background, has not said” (Braude 1965). History provides a data bank of experiences, and if we take heed, we should be spared the futile but often popular pastime of reinventing the wheel. History also reveals the technological and economic choices that have shaped the products we have today and helps to guide us in the choices we will make in the future.
Decimate
发表于 2025-3-22 17:27:04
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北极人
发表于 2025-3-23 00:04:22
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granite
发表于 2025-3-23 03:06:14
Future Needs,ew installations with a 100-year working life. Fortunately, engineers working in the nineteenth century also held this view, and their utility systems still serve us. If utilities are to accept new ideas, they must be assured of the long-term performance and durability of what is being proposed.
IVORY
发表于 2025-3-23 07:10:54
Die aktienrechtliche Legalitätspflicht has not said” (Braude 1965). History provides a data bank of experiences, and if we take heed, we should be spared the futile but often popular pastime of reinventing the wheel. History also reveals the technological and economic choices that have shaped the products we have today and helps to guide us in the choices we will make in the future.