shielded metal-arc welding_新英汉石油技术词典
shielded metal-arc welding
[新英汉石油技术词典]
shielded metal-arc welding屏蔽金属弧焊，保护金属极电弧焊
是什么意思，shielded metal-arc welding的解释，shielded metal-arc welding的翻译
[石油英汉词典] shielded metal-arc welding
