The barb stung her exactly the way he hoped it would.如他所愿,这句带刺的话刺痛了她。He's a sensitive lad and some of the criticism has stung him.他是个敏感的小伙子,有些批评刺痛了他。She burst into tears, stung by the harshness of his words.他那番严厉无情的...
The mechanism, development, testing and field test of EP DRA are introduced.介绍了EP系列减阻剂的作用机理 、 研制方法 、 中试生产和现场实验的概况.The EP antiwear property is different that it contains different additives.不同的添加剂配伍,聚脲润滑脂的极压抗磨性也不一样.INTECH...