“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	neutron magnetic moment neutron matter neutron metrology neutron moderation neutron moderator neutron moisture meter neutron monitor neutron monochromator neutron multiplication neutron multiplicity neutron nuclear reaction neutron number neutronography neutron oil well logger neutron photography neutron physics neutron porosity logging neutron porosity well logger neutron protection neutron proton ratio neutron-proton ratio neutron pulse neutron radiation neutron radioactivity neutron radioassay instrument and equipment

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。