Cari
Dumpy level
01
waterpas optik, alat ukur tanah
a surveying instrument used to establish horizontal levels and measure height differences
Contoh-contoh
The surveyor used a dumpy level to check the level of the ground before starting the foundation work.
Surveyor menggunakan waterpas untuk memeriksa tingkat tanah sebelum memulai pekerjaan pondasi.



























