levelling increment

例句：

1. 1.The engineer used a leveling increment to ensure the accuracy of the measurements.
   工程师使用一个水平增量来确保测量的准确性。
2. 2.The construction crew was tasked with leveling the increments on the new road surface.
   施工队伍被指派负责新道路表面的增量平整工作。
3. 3. The leveling increments were carefully measured and recorded for future reference.
   为了将来参考，对水平增量进行了仔细的测量和记录。