31308592stressPT2026-03-30 20:23:04UF31308593stressesNDBT31299874strength of materialsPTNT31327613axial stressPTNT31327617bearing stressPTNT31327620bending stressPTNT31327623combined stressPTNT31327626shear stressPTNT31327631torsional stressPTNT31327637thermal stressPTNT31327642internal stressPT