длина погружной части(The immersion length of a thermowell is the distance between the tip of the thermowell and the point of immersion in the medium that is being measured. – ... длина погружной части термокармана'More)
длина погружения(Thermowell installed perpendicular to the pipe wall must at least have an immersion length of a minimum of 2 inches. – длина погружения (термокармана)Метран)