immersion ultrasonic testing, ultrasonic immersion test, ultrasonic immersion inspection, ultrasonic immersion examination
immersion testing that is the measurement and inspection by ultrasound of quantities of engineering parts and components submerged in water, ultrahelikatse, mille abil teostatakse vees sukeldatud inseneriosiste, -komponentide ja neid iseloomustavate suuruste mõõtmine ja kontrollimine ultraheli abil
