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51. | microphone transformator |
| 传声器变压器 |
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52. | linear transformer |
| 线性变压器 |
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53. | frequency regulating transformer |
| 调频变压器 |
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54. | protection equipment for transformer |
| 变压器保护装置 |
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55. | three phase transformer |
| 三相变压器 |
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56. | tapped transformator |
| 抽头变压器 |
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57. | oscillating transformer |
| 振荡变压器 |
|
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58. | miniature transformer |
| 微型变压器 |
|
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59. | teaser transformator |
| 副变压器 |
|
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60. | instrument transformator |
| 仪表变压器 |
|
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