他因是个严格纪律执行者而闻名遐迩。He has a reputation for being a strict disciplinarian.我是遗嘱执行者之一.I was one of the executors.认为这些静止而闪烁的光亮是上帝意志的执行者.Those still and shining lights were the executioners of God's decrees....
The increase of carbon equivalent is primary reason for graphite floatation.碳当量高是引起石墨漂浮的主要原因.The bubble generator is the key equipment of microbubble floatation.气泡发生器是微泡浮选的关键.The floatation process for the mixed primary ...