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；
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；
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