文章介绍了气动夯锤打桩的施工方法.This paper presents the construction method of pneumatic rammer piling.广泛用于海洋 、 江河 、 沼泽、陆地上的打桩基础施工.Widely used in the seas, rivers, marshes and land piling foundation construction.牙齿打桩后很疼是怎么回事?After dent...
The minute division of labour in the production process,and increasing interdependency in trade and economy is evident in the financial crisis afflicting us at the end of this century. Economic activity is no longer pure...
She has sung soprano in many major operas.她在很多大型歌剧中唱过女高音.There he began an acting career in Mexican soap operas.他开始在墨西哥的歌剧中扮演角色的生涯.Do you attend operas , or do you read tawdry novels ?你会参观歌剧表演，还是阅读通俗小说？...
当他们走近时，每扇门外都有一名卫兵肃身立正。Outside each door a guard sprang to attention as they approached.全副武装的士兵们立正站着。Soldiers in full combat gear stood at attention.中士立正敬礼。The sergeant stood to attention and saluted....