标准查询 标准查询用共振法测定混凝土的动态弹性模量、刚性模量及泊松比的测试方法
Methods of test for dynamic modulus of elasticity, rigidity and Poisson's ratio of concrete by resonance vibration
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标准查询Methods of test for dynamic modulus of elasticity, rigidity and Poisson's ratio of concrete by resonance vibration
