HR15B faʻaalia tungsten carbide Papatusi: tele saito lelei, maualuga maaa, malosi ma faigata, vevela tetee, corrosion tetee, modulus lelei o elasticity, malosi compressive maualuga, mautu vailaau lelei (acid, alkali, oxidation maualuga vevela), coefficient maualalo o le faalauteleina, le...
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