mortar masonry precasted concrete block的意思|示意
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砂浆砌体预制混凝土砌块
mortar masonry precasted concrete block的网络常见释义
浆砌预制混凝土块 ... pretensioning prestressed reinforcement 先张法预应力钢筋 mortar masonry precasted concrete block 浆砌预制混凝土块 U-steel protection 槽钢保护 ...