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| 波形〔曲线〕发生器; 金刚钻加工透镜表面机 | |||
| 曲线波形发生器 | |||
| 金刚钻加工透镜机; 粗磨球面透镜铣磨机; 波形发生器; 曲线发生器; 曲线产生器 | |||
| curve generator: 2 phrases in 2 subjects |
| Electric machinery | 1 |
| Technology | 1 |
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