硝胺醚在无烟火药成份中有两种作用.The nicramine ethers perform two functions in the smokeless powder composition.结果表明,聚乙二醇缩水甘油醚对丝胶蛋白具有明显的交联作用.The result showed that polyethylene glycol diglycidyl ether cross linked sericin obviously.在最佳条...
an increase in annual precipitation年降水量的增加Techniques for controlling particulates include filtering, washing, centrifugal separation, and electrostatic precipitation.控制颗粒污染物的技术包括过滤 、 洗涤 、 离心分离 、 静电沉降.Guitar's experi...
He ladles out compliments to everyone, but he's not really sincere.他见人就大加吹捧, 但并非出于诚意.Tundish and ladle safety linings, ladle bottom and mending installation of ladles.钢包、中间包永久衬, 钢包底,钢包衬补浇等.Barrel and bottom of large...