Iṣakoso didara

Hydrolysis ti ogbo igbeyewo

Wọ-sooro igbeyewo

Idanwo ikolu toughness

Idanwo idaduro

Ayẹwo hydraulic

Idanwo sooro iwọn otutu

Idanwo sokiri iyọ

Idanwo ipa

Idanwo lile


Akoko ifiweranṣẹ: Oṣu kejila-16-2021