This is a fractionating tower.这是一座分馏塔.As the solution to be purified is heated, its vapors rise to the fractionating column.当要被提纯的液体受热时, 它的蒸汽上升到分馏柱.The utility model relates to a continuous thin film evaporation device p...
I have never been to Urumqi.我从未去过乌鲁木齐.People were also arrested along roads leading to Urumqi, he said.他说,很多人在去往乌鲁木齐的路上被逮捕.Urumqi, mainly to store wholesale trade, mainly engaged in lighting, sanitary ware.本人乌鲁木齐人, 以专卖店为...
They have the same cardinality.它们有相同的基数.The base cardinality can be captured by analyzing the table.基本的行集数能通过分析表被捕获.A set with cardinality s \ s . is said to be denumerable or countably infinite.具有基数ss.的集合,被称为是可列的或可数无穷的....