breaking toughness造句

• In order to use the strength and toughness index for design and apply of sfrc unified theoretical calculation formula of reinforcing and toughening of sfrc is given . experiments on bending toughness , breaking toughness and cube strength test results are carried out in connection with various kind of deformed steel fiber
  初步给出建立钢纤维混凝土增强、增韧统一理论计算公式思想，为钢纤维混凝土强韧双重指标在设计、选用钢纤维混凝土中的应用打下基础；针对不同种类异形钢纤维进行了弯曲韧性、断裂韧性、立方体抗压强度等试验。