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conduit section, the axis of which is rectilinear and the surface and cross-section of which are constant, toru osa, mille telg on sirge ja mille ristlõikepindala kuju on konstantne, portion of a conduit whose axis is straight and in which the cross-sectional area shape are constant
sirgpikkus . Metroloogia terminibaas. Estonian Language Institute, Sõnaveeb 2026. https://sonaveeb.ee/search/unif//mea/sirgpikkus/1/est (01.07.2026)
