接力区 baton zone; baton-exchange area; change-over area; relay passing zone; relay zone; relief zone; take-over zone; zone of transfer 接力赛 relay event; the relay race .
基于2个网页-相关网页
two zone distance relay 两段距离继电器
multi zone relay 分段限时继电器
Dead-zone Relay Control 带死区继电控制
zone 3 impedance relay 距离三段保护
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