cast steel tubular joint的意思|示意
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铸钢管接头
cast steel tubular joint的网络常见释义
铸钢相贯节点 ... cast steel hollow spherical node 铸钢空心球管节点 cast steel tubular joint 铸钢相贯节点 cast-in-site hollow slab technique 现浇空心板技术 ...