常見例句雙語例句The concept of strength and toughness index of steel fiber concrete is founded.提出鋼纖維混凝土強(qiáng)韌雙重指標(biāo)概念。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.初步給出建立鋼纖維混凝土增強(qiáng)、增韌統(tǒng)一理論計(jì)算公式思想，為鋼纖維混凝土強(qiáng)韌雙重指標(biāo)在設(shè)計(jì)、選用鋼纖維混凝土中的應(yīng)用打下基礎(chǔ)；Two important facts, crystal shape and magnetic inclusions, which affect toughness index were expounded. Especially, magnetic inclusions affect thermal toughness index more than tough ness index.闡述了影響金剛石沖擊強(qiáng)度的兩個(gè)重要因素：晶型與磁性包裹體，特別是磁性包裹體對熱沖擊強(qiáng)度的影響比對常溫沖擊強(qiáng)度的影響更甚。 返回 toughness index