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test the efficiency of a steam boiler is by installing a set of meters to measure each part of the process, aurukatla tõhususe testimise moodus, paigaldades arvestite komplekti protsessi iga osa mõõtmiseks
katla bilansskatsetamine . Metroloogia terminibaas. Estonian Language Institute, Sõnaveeb 2026. https://sonaveeb.ee/search/unif//mea/katla%20bilansskatsetamine/1/est (06.08.2026)
