pre-stressed profiled steel concrete beams
pre-stressed profiled steel concrete beams
预应力型钢混凝土梁
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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The pre-stressed profiled steel concrete beams used in Shen'guang Institution of Education and Research Project are characterized by big span, small cross-section and complicated technology.
深港产学研基地工程采用预应力型钢混凝土梁，具有跨度大、断面小、技术复杂等特点。
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