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Flame retardant: also known as flame retardant, fire retardant or fire retardant, it is a functional auxiliary agent endowed with flame retardant property of flammable polymer; most of them are com...
June8,2023isthe15thWorldOceansDayandthe16thNationalOceansAwarenessDay,thethemeofwhichis"ProtectingMarineEcosystemsandHarmoniousCoexistencebetweenPeopl