“grading system of asphalt”的概念、定义、翻译、参考文献-科学参考

单词	grading system of asphalt
释义	grading system of asphalt Encyclopedia 工学道路沥青释 grading system of asphalt沥青分级体系沥青作为一种化工产品，必须按照某个技术指标进行等级划分，以形成不同的标号，满足不同地区和工程的需要。
随便看	Twenty-four Agencies twenty-four divisions Twenty-Four Eyes twenty-four fortnightly periods twenty-four main points of wushu Twenty-four Scholars Society twenty-four solar terms Twenty-four Styles of Painting twenty-one centimeter line twenty-one centimeter radiation "Twenty-one Sheets" From Switzer Land Twenty poems about drinking Twenty Poems of Dunhuang twenty-seven-day recurrence effect Twenty Statements Test Twenty-two provinces twenty-vertex entropy constant Twi twi- twice twice differentiable function twice-exceptional children twice firing twiddle TWIF

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。