A basic variety of aluminium oride,brown colour,high hardness and great toughness.刚玉的基本品种，棕褐色，硬度高、韧性大。
A full backpack was not enough, I needed to hung a tent, a dampproof mat, a matting outside my backpack, and a most prof背包塞满了是远远不够的，我仍需须要外挂上帐篷防潮垫地席凉鞋和快挂数个，当然最显专业风范的行走杖和三脚架也得斜斜的插在背包外面，再在前胸的背包带上挂上个西班牙产铝制水壶。
Abstract: A small aluminium factory, which limited by economic and technological condition, adopts wet process and dry p文摘:小铝厂受经济、技术条件的限制，采用湿法、干法净化技术不合算。
Abstract: In machining the surfaces of aluminium alloy parts a re corroded by emulsion frequently.Applying syncrgistic e文摘:介绍了应用复合缓蚀剂的协合效应，来防止铝合金件在机械加工中，因乳化液的腐蚀，使工件表面发黑的现象。
“Aluminium information”,top magazine, has recently become the landmark for those operating in the aluminium world, riche《铝业商情》定位于市场，紧贴市场，力求迅速、准确地向铝业各界人士及采购商提供最新、最全面的企业信息、产品信息和市场信息，为铝型材制造商、经销商和采购商提供一个信息交流的平台。