manual welding electrodes
manual welding electrodes
手工焊条
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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The physical and chemical properties of welding arc affecting the amount and toxicity of fumes generated during manual arc welding with low carbon steel basic electrodes are investigated.
本文研究了影响碳钢碱性焊条焊接烟尘量及其毒性的电弧物理及化学因素。
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