“petroleum asphalt”的概念、定义、翻译、参考文献-科学参考

单词	petroleum asphalt
释义	petroleum asphalt [pǝ`trō·lē·ǝm `as´fȯlt] ^MATERIALS Asphalt recovered or made from petroleum.
随便看	RAMPS ramp sight ramp valley ramp weight ram recovery RAM resident ram rocket Ramsauer effect Ramsay-Shields-Eötvös equation Ramsay-Young method Ramsay-Young rule ramsdellite Ramsden circle Ramsden disk Ramsden eyepiece Ramsey fringes ramsonde ram travel ram-type turret lathe ramus Rancholabrean randannite randkluft random access random-access discrete address

科学参考收录了103327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。