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Brittle fracture accident and countermeasure of the high-strength bolt of post junction of roof beam of.
钢结构梁柱连接处高强螺栓的脆性断裂事故及对策。
youdao
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Brittle fracture accident and countermeasure of the high-strength bolt of post junction of roof beam of.
钢结构梁柱连接处高强螺栓的脆性断裂事故及对策。
youdao