a kilometre and a half of bitumen一公里半的柏油路面contain bitumen含沥青The irradiation stability of bitumen and bituminized producthas been investigated.本文研究了沥青及沥青固化产品的辐照稳定性.The article introduced the category of natural bitumen an...
a kilometre and a half of bitumen一公里半的柏油路面Bitumen paper can be burnt to gain energy.沥青纸可以焚烧以获得能量。In fact, a speciality crude is suitable only for bitumen production.事实上, 这种特性的原油只适宜于生产沥青....
他在校勘古典著作.He is emending classical authors.他做了冗长而乏味的校勘原文工作.He performed the tedious task of collating texts.《诸子平议》是一部训诂和校勘的笔记体学术专著,作者俞樾,晚清小学大家.Comments on the Philosophers is a literary special academic works on gloss and...