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本文概述了ＫＸＤ－１型孔隙度测定仪的原理、结构、计算公式、操作程序。仪器使用分析表明，测量精度等各项指标达到部颁标准。
This paper summarizes the principle, structure, calculation formula and operating procedure of KXD-1 porosimeter. Instrument usage analysis shows that the measurement accuracy and other indicators meet the ministerial standards.