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农村家用电器接地保护
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农村家用电器接地保护
Encyclopedia
农学
﹝农业电气化与信息化工程﹞
释
rural household appliances earthing protection
农村家用电器接地保护
将正常运行时不带电,而在绝缘材料损坏或故障情况下,可能呈现危险的对地电压的家用电器金属外壳与接地装置之间作良好的电气连接。
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health security system
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health service cost
health service demand function
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health serviceman
health service market
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health standard for aquatic animals
health standards
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health statisticsin military
health supervision and inspection
Health Supervision and Management System
health supervision for control and prevention of infectious diseases
health supervision for drinking water
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