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| 1. | electrical drainage protection |
| 排电流保护 |
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| 2. | electrical drainage |
| 电排流 |
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| 3. | forced electrical drainage |
| 强制排流 |
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| 4. | The service industries involved: hardware (electrical drainage, electroprobe and lamp holder), cables |
| 服务行业涉及：五金（电排、电笔、灯座）、线缆（电源线、屏蔽线、端子线、音响线）、皮具、服装等领域。 |
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