Values shown are based on testing of laboratory test specimens and represent data that fall within the standard range of properties for natural material.
显示的价值以实验室测试样品的尝试为基础而且表现数据哪一为天然的材料标准类型的财产里面的秋天。
2
The relationship between uniaxial compressive strength and the velocity of longitudinal wave of concrete material with different grading is found through laboratorytesting.