论文部分内容阅读
本文介绍研制的ND-A型核子土基密度计。这是一种用来测量土基湿密度的快速、非破坏性、精确的测量仪器,测量误差为±1％。
This article describes the development of ND-A nuclear-based soil density meter. This is a fast, non-destructive, accurate measuring instrument for measuring the wet density of a soil foundation with a measurement error of ± 1%.