machmeter

/mahk-mee-ter, mak-/US // ˈmɑkˌmi tər, ˈmæk- //UK // (ˈmækˌmiːtə) //

马赫米特,马赫米特仪,马氏硬度计,马氏表

Definitions

n.名词 noun

1
Aeronautics.
- : a device that indicates airspeed relative to the speed of sound.