- differential arc lamp
- 差: send on an errand; dispatch
- 接: come into contact with; come ...
- 弧光灯: arc lamp; arc light; electri ...
- 弧光灯: arclight; archway lamp; archway light; arclamp; arcs; carbon arc lamp; electric arc lighting; electric-arc lamp; flame arc lamp; jupiter; lamp arc
- 弧光灯弧光: arc light
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