造船中使用的金属板过去使用铆接, 现在则常用焊接.The metal plates used in making ships used to be riveted together, but now they are usually welded.他们把钢梁铆接在一起.They riveted the steel beams together.用于修补与加强焊缝、铆接 、 切割等作业造成的防护层损伤.Use to fix up and ...
The Celts spoke languages that survive today as Welsh, Caelic and Breton.当时,克尔特人讲的语言流传至今,成为威尔士语 、 盖尔语和布列坦尼语.When was the Breton Woods Agreement signed?布雷顿森林协定是何时签订的?Do you know the Breton Woods Agreement?你知道布雷顿森林协定 吗 ?...
SETTING: Department of Cardiology, Ruijin Hospital, Medical College, Shanghai Jiaotong University.单位: 上海交通大学医学院附属瑞金医院心内科.SETTING: Department of Cardiology, Bethune International Peace Hospital.单位: 白求恩国际和平医院心内科.Conclusion...