...文网 关键词:混凝土结构,外观质量缺陷,原因,防治措施 [gap=331]Keywords: concrete structure, the appearance quality defects, reason, prevention and control measures ...
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This article analyzes the cause for appearance quality defects of hydraulic engineering concrete and discusses how to control concrete appearance quality.
本文对水利工程混凝土外观质量缺陷的成因进行了分析，并对如何控制混凝土的外观质量进行了探讨。
In view of the phenomena that the easy appearance of serious roughness and surface defects, the polishing mechanism and the influence of the main parameters on the polishing quality are researched.
针对超精密光滑光学元件加工过程中容易出现的粗糙度较大和表面疵病较多的现象，对传统抛光机理和抛光过程中抛光粉的主要参量对抛光质量的影响进行了研究。
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