“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	Hebei Manshan Shengji Ziran Baohuqu Hebei Maojingba Guojiaji Ziran Baohuqu Hebei Motianling Shengji Ziran Baohuqu Hebei Museum Hebei Nandagang Shidiheniaolei Shengji Ziran Baohuqu Hebei Nansizhang Shengji Ziran Baohuqu Hebei Nihewan Guojiaji Ziran Baohuqu Hebei People's Radio Hebei provincial archives Hebei Provincial Library Hebei Publishing & Media Group Co., Ltd. Hebei Qianheshan Shengji Ziran Baohuqu Hebei Qinglong Dushan Shengji Ziran Baohuqu Hebei Qingyazhai Guojiaji Ziran Baohuqu Hebei Qu Hebei-Rehe-Liaoning Pictorial Hebei Road Hebei Saihanba Guojiaji Ziran Baohuqu Hebei Sanfengshan Shengji Ziran Baohuqu Hebei Science and Technology Museum Hebei-Shandong-Henan Border Area Revolutionary Memorial Hall Hebei Sheng Hebei Shooting Range Hebei Sport University Hebei Tuoliang Guojiaji Ziran Baohuqu

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。