钻孔芯和锯制梁钻孔芯和锯制梁|沙特标准|SASO-ASTM-C42M
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钻孔芯和锯制梁钻孔芯和锯制梁|沙特标准|SASO-ASTM-C42M
SASO-ASTM-C42M
Standard Test Method for Obtaining and Testing Drilled Cores and Sawed Beams of Concrete
获得和测试混凝土钻孔芯和锯制梁的标准测试方法
SASO-ASTM-C42M
Standard Test Method for Obtaining and Testing Drilled Cores and Sawed Beams of Concrete
获得和测试混凝土钻孔芯和锯制梁的标准测试方法
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