твердocплaвнoe пoкрытиe . Materjalitehnika terminibaas. Estonian Language Institute, Sõnaveeb 2026. https://sonaveeb.ee/search/unif//mtr/%D1%82%D0%B2%D0%B5%D1%80%D0%B4oc%D0%BF%D0%BBa%D0%B2%D0%BDoe%20%D0%BFo%D0%BA%D1%80%D1%8B%D1%82%D0%B8e/1/rus (29.10.2026)