分类分类
大小:51KB语言:简体中文
类别:网络教程系统:Vista, Win2003, WinXP, Win2000, NT
合同段:
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材 料 标 号 |
水泥 |
砂 |
碎石 |
水灰比 |
配合比 (水泥:砂:碎石) |
试压强度(MPa) |
备 注 |
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承包人 |
中心试验室 |
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