律师事务所的接待员和建筑工地的焊工。
Receptionist in an attorney's office and a welder at a construction site.
目的调查电焊工人的职业健康状况。
Objective To investigate the status of health in the welders.
究其原因，专家怀疑与电焊工有关。
Investigate its reason, experts doubt and electric welders are concerned.
这些焊逢几乎全由高水平的焊工完成。
触摸一块泡沫向焊工酒吧。
对补焊工艺作了详细说明。
该系统集钎焊工艺设计和工艺管理为一体。
The system set the design and management of brazing process as a whole.
一家合资企业会计北京电焊工求职经理的助理。
Assistant to manager of accounting department of a joint venture enterprise.
焊工艺的工作机理。
介绍了一种热强钢堆焊焊条的堆焊工艺要求、焊层特性。
Study on Iron Based High Temperature Wear Resistance Surfacing Electrode and Welding Process;
介绍了一种热强钢堆焊焊条的堆焊工艺要求、焊层特性。
Study on Iron Based High Temperature Wear Resistance Surfacing Electrode and Welding Process;
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