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| 51. | Thermal Measurement & Meter |
| 热工测量及仪表 |
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| 52. | meter transformator |
| 电表用互感器|仪表用变压器 |
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| 53. | Automatic Measurement Technique & Meter |
| 自动检测技术与仪表 |
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| 54. | DC moving coil meter |
| 直流动圈式仪表 |
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| 55. | electronic meter and instrument |
| 电子仪表及仪器 |
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| 56. | hook-on type meter |
| 钩接式仪表 |
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| 57. | light-spot type meter |
| 光标式测量仪表 |
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| 58. | moving coil meter |
| 动圈式扬仪表 |
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| 59. | direct-current meter transformer |
| 直流仪表用变压器 |
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| 60. | gas meter meter for measuring the amount of gas used |
| 煤气表（计量煤气用量的仪表）. |
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