relay actuator
... 继电器材料 relay material; 继电器操作机构 relay actuator; 继电器操作跳闸 relay act trip; ...
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有SF 6气体密度继电器，并能事故报警，及闭锁操作机构。
It shall have SF6 gas density relay and emergency alarm as well as blocking operating mechanism.
youdao
应用推荐
模块上移
模块下移
不移动