REFRAKTOMETRHO, asbobhoeand baroi chen kardani nishondihandai shikasti rushnoi. Laboratori va sanoati (datchikhoi refraktometri) meshavand.
REFRAKTOMETRHO, asbobhoeand baroi chen kardani nishondihandai shikasti rushnoi. Laboratori va sanoati (datchikhoi refraktometri) meshavand.
SAMOLYOT, apparati parishi muharriku boldori vaznintar az havoet, ki baroi parvoz dar atmosfe¬ra tain shudaast. …