tachymeter

/ta-kim-i-ter, tuh-/US // tæˈkɪm ɪ tər, tə- //UK // (tæˈkɪmɪtə) //

测速仪,测速器,测速计,流速计

Definitions

n.名词 noun

1
Surveying.
- : any of several instruments for rapidly determining distances, directions, and differences of elevation.