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The reaction springs are arranged in the upper and lower moving contact pedestals, thus the dropout fuse ensures the junction to be good in contact, and is durable.
使用本发明因上动触头座和下动触头座内设置了反作用弹簧，使接点变得接触良好，长久耐用。
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应用推荐
模块上移
模块下移
不移动
