TY JOUR TI Instrumental control of the reserve and flow of working fluids in the technical operation of aircraft KW aircraft engine KW air transport KW metrological support KW metrological risk KW ensuring the unity of measurements KW special measuring instrument KW the measurement error JO The world of measurement AU Bogoyavlenskiy, A.A. PY 2017 IS 2017 PB Advertising and Information Agency "Standards and quality»