Only very mean persons maltreat children.只有非常卑鄙的人才虐待儿童.To be rough or brutal with; maltreat.虐待粗暴或残忍地对待; 虐待.Never to maltreat children again!莫再“心罚”孩子!...
要富集成矿只需保持长期的层间循环.Concentration of ore would simply require prolonged interstratal migration.碘离子在层间的扩散作用可以用隔层加以控制.The migration of iodide ion between layers is controlled by barrier interlayers.测量界面粘结强度的间接方法包括层间剪切强度试验.Ind...