他在20世纪60年代告别了棒球场。He departed baseball in the '60s.我们坐在棒球场, 梦想着加入了棒球联盟.We sat on the diamond, dreaming we were in the big leagues.许多人去棒球场.A lot of people went to the ballpark....
They should concentrate on rejuvenating the existing vegetation, like grass and shrubs.他们应该侧重于修整现有的绿化植被，比如草和灌木。Birds are abundant in the tall vegetation.高大的植被中有着大量的鸟类。Many slopes are rock fields with sparse vegetation.许多...
获得轧辊复合层连续铸造法生产装置的总体设计方案.The general design of continuous casting for roll cladding is got.我们吸取世界轧辊成型机行业的成功经验.We learn from the world roll machine industry's successful experience.此装置用于轧辊的 在线 磨削.This method and devic...