Macadam type bases involving successive layers of crushed rock bound with rock dust were also used.人们曾经使用“石结”基层——几层由石粉黏结在一起连续的碎石层.The construction techniques of cement treated macadam base are always paid more attention ...
巴塞尔和洛桑两城也是瑞士重要的制造中心.The cities of Basel and Lausanne are also important manufacturing centres.Sisyphus(西西佛思)是幸运的. 他本来可能会沦落到巴塞尔委员会.SISYPHUS was lucky. He could have wound up on the Basel committee.欧盟已经通过法案规定明年实施《新巴塞尔协议》.T...