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I've assembled the main frame.
我已安装好了主要的构架。
youdao
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Steel column and roof frame are made in multisections and assembled at high altitude.
采用分段制作、高空拼装的方法安装钢柱和钢屋架。
youdao
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Steel column and roof frame are made in multisections and assembled at high altitude.
采用分段制作、高空拼装的方法安装钢柱和钢屋架。
youdao