The average UK coal seam is one metre thick.英国煤层的平均厚度为1米。Coal Mine, its coal seam is easily spontaneous fire.大雁二矿煤种为褐煤, 属易自燃发火煤层.Factors affected coal seam permeability change and its law is analyzed.分析了煤层透气性变化的影响因素及变化规律...
The BBC must ensure that due impartiality is preserved in its news programmes.英国广播公司必须确保新闻节目保持应有的公正.The principle of openness, impartiality and fairness shall be followed in the granting of concessionary right.授予特许权应当遵循公...
He decided to leave only after much persuasion.经过多方劝说, 他才决定离开。Even administrative regulations must be accompanied by persuasion and education.就是行政命令也要伴以说服教育.It was an object lesson in how to use television as a means of ...