The reliability data of low voltage electrical apparatus obtained on the basis of field survey of electrical equipments by U. S. AIEE and IEEE were introduced.
介绍了美国AIEE和IEEE对电气设备现场调查结果中有关低压电器的可靠性数据;
BC dry powder fire apparatus is used to put out the early fire disasters from various kinds of combustible liquid, gas, steam; electrical equipments etc.
用于扑救各类可燃液体、可燃气体、可燃蒸气、及电器设备等初起火灾,广泛用于油田、油库、液化气库、配变电站等场所。
BC dry powder fire apparatus is used to put out the early fire disasters from various kinds of combustible liquid, gas, steam; electrical equipments etc.
用于扑救各类可燃液体、可燃气体、可燃蒸气、及电器设备等初起火灾,广泛用于油田、油库、液化气库、配变电站等场所。
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