词语directional relay
解释方向继电器
词性名词
directional relay〔名词〕方向继电器详细»
directional relay〔名词〕方向性继电器详细»
directional relay定向继电器详细»
directional relay电阻继电器,方向继电器详细»
方向继电器directional relay详细»
方向继电器〔名词〕directional relay详细»