钡以重晶石形态 ( 硫酸钡 ) 在工业上用作油漆的白色涂料.Barium as barite ( barium sulfate ) is used industrially as a white pigment for paint.硫酸钡必须是无块的粉末.The barium sulfate must be a lump - free powder.EDTMPS对硫酸钙、硫酸钡垢的阻垢效果好.EDTMPS shows better an...
The receiver and the quarterback are going to trade positions.接球手与四分卫将会对换位置。The management will have to think seriously about their positions.管理层将不得不认真考虑他们的立场。Some, I suppose, might even be in positions to influence opin...
The research effort has focused on tracing the effects of growing levels of five compounds...研究重点追踪了5种化合物含量上升的影响。The public is urgently requested to assist police in tracing this man.紧急要求公众帮助警方追踪此人。curve tracing曲线描迹法, 曲线...