The structure, the principle of work, bauxite floatation of BF - L floatation machine were presented.本文介绍了BF -L 型浮选机的结构特点, 工作原理及铝土矿选矿的适应性研究.The seven leading bauxite exporters formed the International Bauxite Association...
Aluminum is made from bauxite.铝是从铝土矿中提炼出的.The seven leading bauxite exporters formed the International Bauxite Association.七个主要的铝矾土出口国组成国际铝矾土协会.Industry: petroleum, diamonds, iron ore, phosphates, feldspar, bauxite, uran...
真是太没头脑了，我要告诉他我很生气。How very thoughtless. I'll give him a piece of my mind.简老是惹她生气，她有时就拿我出气。Jane's always annoying her and she takes it out on me sometimes.“这根本不关你的事，”他生气地说。"I can't see it's any of your...
有些段落他演奏得异常徐缓，听上去有些忧伤。He plays some passages so slowly that they become lugubrious.黑暗中我的听觉变得异常灵敏。In the dark my sense of hearing becomes so acute.闪电在货车周围炸开时，情景异常壮观。It was unbelievably dramatic as lightning crackled all ro...
We'd been lounging around, chewing the fat for a couple of hours.我们东游西逛，瞎扯了两三个钟头。Several students were lounging around, reading newspapers.有几个学生懒洋洋地坐着看报。She enjoys lounging around the pool.她喜欢绕水塘漫步....