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lifting installation of steel structure
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lifting installation of steel structure
Encyclopedia
工学
钢结构工程施工
释
lifting installation of steel structure
钢结构提升安装
在大型钢结构安装工程中不采用散件吊运、原位拼装等常规吊装方法,而是在易于拼装作业的地面(或其他位置)将钢结构整体拼装(或局部拼装),然后通过特殊的起重手段将结构整体提升至高空等设计位置,予以定位和固定,从而完成大型结构安装的施工方法。
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crime of sheltering,conniving underworld organizations
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crime of smuggling cargo and article,the import and export of which is forbidden by the state
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crime of smuggling precious metals
crime of smuggling rare animals or products thereof
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crime of stealing or forcibly seizing any guns, ammunition,explosives or dangerous substance
crime of stealing, prying, buying and illegally providing military secrets for overseas
crime of stealing,snatching,and destroying the official documents,documents and seals of the state organs
crime of stealing, spying, buying, illegally providing state secret and information for those out of borders
crime of stealing, spying, buying or illegally providing commercial secrets abroad
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