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。
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