An arc used for cutting metals, struck in an atmosphere of oxygen between a workpiece and the hollow electrode through which the oxygen is…
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| 单词 | θ77568 |
| 释义 | the world > matter > physics > electromagnetic radiation > electricity > electric light > [noun] > charcoal pencil > used in metal-cutting (1) oxy-arc1947 An arc used for cutting metals, struck in an atmosphere of oxygen between a workpiece and the hollow electrode through which the oxygen is… |
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