built t up beam的意思|示意
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英 / /
组合梁
built t up beam的网络常见释义
组合梁 ... built t up area 建成区 built t up beam 组合梁 built t up construction 组合构架 ...
built t up beam相关短语
1、 T-shaped continuous built-up beam T型连续组合梁