1) azione protettiva 2) effetto protettivo
Schutzschichtwirkung, Schutzwirkung, schützende Wirkung
protective action, safety action, protective effect
protective action, sacrificial action
protective action, protection
action protective, action protectrice, effet protecteur
Schutzschichtwirkung, Schutzwirkung, schützende Wirkung
action protectrice
protective action
Abschirmwirkung
(от радиации) shielding effect
protective action
protective action
gate protective action