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61. | key lock switch |
| 锁定开关 |
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62. | universal switch |
| 万能开关 |
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63. | voltampere switch |
| 伏特计开关 |
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64. | discharge switch |
| 放电开关 |
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65. | stopping switch |
| 停机开关 |
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66. | emergency switch |
| 应急开关 |
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67. | load switch |
| 负荷开关 |
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68. | lightning switch |
| 避雷开关 |
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69. | explosion switch |
| 爆炸开关 |
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70. | displacement switch |
| 位移开关 |
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