The standard battery only lasts for a couple of hours.
标准电池只持续了几个小时。
This paper discusses types, performance indicatrix, electric property, wiring standard and method for couple cross.
本文探讨了双绞线的类型、性能指标、电气特性、接线标准及方法。
This paper discusses types, performance indicatrix, electric property, wiring standard and method for couple cross.
本文探讨了双绞线的类型、性能指标、电气特性、接线标准及方法。
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