self recording level meter

例句：

1. 1. The engineer used a self-recording level meter to check theaccuracy of the machine's readings.
   工程师使用自记录水平仪来检查机器读数的准确性。
2. 2. The construction crew useda self-recording level meterto ensure that the foundation was level beforepouring concrete.
   施工队使用自记录水平仪确保在浇筑混凝土前地基是水平的。
3. 3. The technician used a self-recording level meter to adjust theheight of the scaffolding toensure proper alignment.
   技术员使用自记录水平仪调整脚手架的高度，以确保正确对齐。