In the evaluation of highway steel truss bridges based on the method of fracture mechanics, the plane fracture toughness K IC must be detected firstly.是什么意思_In the evaluation of highway steel truss bridges based on the method of fracture mechanics, the plane fracture toughness K IC must be detected firstly.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句