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41. | spark quenching |
| 电火花淬火 |
|
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42. | spark capacitor |
| 消火花电容器 |
|
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| |
43. | spark discharger |
| 火花放电器 |
|
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44. | spark telegraphy |
| 火花电报 |
|
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45. | spark excitation |
| 火花激发 |
|
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46. | spark distributor |
| 火花分配器 |
|
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| |
47. | spark extinguishing |
| 消灭火花 |
|
|
| |
48. | spark suppressor |
| 火花抑制器 |
|
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| |
49. | spark breakdown |
| 火花哗 |
|
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50. | discharge spark |
| 放电火花 |
|
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