新修订的《建设用砂》(GB/T 14684-2011)于2012年2月1日起实施,该标准修订了18项内容,分析了其背景、原因和目的,为更好地理解和执行该标准做出了详细的说明.%The revised Sand for construction (GB/T 14684-2011) was implemented on February 1,2012 and revises 18 entries. Background, reason and purpose for these revisions are analyzed and detailed revision explanations are provided to enable users to better understand and implement this standard.
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