The study about the direct tensile strength of cement based material with this test method need to be elucidated further analysis.
采用本试验方法对水泥基材料直接拉伸强度的系统测试有待进一步研究。
The experimentation indicates that it is effective to measure the direct tensile strength and other character of concrete by change the size of the test piece and the way of loading.
通过改变试件尺寸及加载方式，还可进一步探讨采用本试验方法测量混凝土的直接抗拉强度，研究混凝土的其它性能。
The ultimate tensile strength and elongation of extrusion bar after forging process was much higher than that of the direct extrusion bar.
先锻后挤工艺棒材最终抗拉强度和断后延伸率高于直接挤压棒材。
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