The development of a high effective benzol - free paint remover was described.根据“相似相溶原理”选择合适的有机溶剂作为脱漆剂的主要组成.Annual sales: steel, Crude Benzol, Coke, tar, ammonium sulfate, and so on.常年销售: 钢材, 粗苯, 焦碳, 焦油, 硫酸铵等.The transfo...
The latitude of the island is 20 degrees south.该岛的纬度是南纬20度.This city is close to the fortieth parallel of north latitude.这个城市靠近北纬40度.She was given considerable latitude in how she spent the money.在如何花这笔钱的问题上她有很大的自由....