1 in 3 US bridges needs major repair, replacement

Greater than 76,000 periods need to be changed totally, according to the American Roadway & Transport Builders Organization’s brand-new evaluation of DOT National Bridge Stock information …
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发布者:Peter Reuell Department of Nuclear Science and Engineering,转转请注明出处:https://robotalks.cn/1-in-3-us-bridges-needs-major-repair-replacement/

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