Improvement of Concrete Durability 试论如何提高混凝土的耐久性
For a modern structure with the requirement of long durability, the technology improvement and quality control system are interdependent.
对于有长期耐久性要求的现代工程结构来说，技术的改进和质量保证体系是密不可分的。
This paper introduced the improvement in the structure of dynamic separation durability experiment machine of clutch lid assembly.
本文介绍了离合器盖总成动态分离耐久性实验机的结构改进。
The influences of material strength, durability, skid resistance and workability of bituminous mixtures on the pavement are analyzed, at the same time some improvement measures are proposed.
分析了沥青混合料的力学强度、耐久性、抗滑性、和易性等对路面的影响，并指出了改进措施。
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