Under not obvious increasing the project investment circumstances, volume method for bituminous mixture is obvious to increase the mechanics performance and the surface function as a wearing course.
按体积比设计沥青混合料的方法可以在不明显提高造价的前提下，较传统技术显著提高沥青路面的力学性能和表面功能。
Surface quality of parts has great influence on the operational performance such as wearing quality, figure strength, corrosion resistance and contact stiffness.
零件表面质量对零件的耐磨性、抗疲劳强度、抗腐蚀性及接触刚度等使用性能以及寿命、可靠性都有很大的影响。
It is well known that surface quality of parts has great influence on the operational performance such as wearing quality, figure strength and contact stiffness.
零件表面质量对零件的耐磨性、抗疲劳强度、接触刚度等使用性能和寿命有很大的影响。
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