modified pitch

基本解釋

At the same time, suggest to detect and analyze the microelements of modified pitch and control their content.
同時(shí)建議增加對(duì)改質(zhì)瀝青中微量元素的研究和檢測(cè)，嚴(yán)格控制其含量。
Modified pitch has many kinds , and that the modified asphalt of elastomer is to apply the most important one kind.
改性瀝青有許多種類，而彈性體改性瀝青是應(yīng)用最為廣泛最為重要的一種。
Furthermore, a new series of carbon-reinforced blades with a modified pitch angle further increases power production.
此外，對(duì)螺旋角進(jìn)行了改進(jìn)的新一系列的碳纖維增強(qiáng)葉片更增強(qiáng)了發(fā)電量。