焊接工艺评定 meaning in English

qualification of welding procedure
welding procedure qualification

Welding procedure qualification for steel pressure vessels
钢制压力容器焊接工艺评定
Computer aided analysis and design for digital circuit
计算机辅助焊接工艺评定的研究与进展
Autocad is a very popular 2d and 3d cad system
1 . 2焊接工艺评定报告管理系统1 . 3焊工管理系统
Welding procedure qualification for liquified petroleum gas cylinders
液化石油气钢瓶焊接工艺评定
The code of welding procedure qualification
焊接工艺评定规程

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