copper-alloy arc welding electrode_新英汉石油技术词典
copper-alloy arc welding electrode
[新英汉石油技术词典]
copper-alloy arc welding electrode铜合金焊条
是什么意思，copper-alloy arc welding electrode的解释，copper-alloy arc welding electrode的翻译
[石油英汉词典] copper-alloy arc welding electrode
