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圪紧急停止开关有缓慢的开关元件，扭曲或关键释放选项。
EAO emergency stop switches are available with slow-make switching elements and twist - or key - release options.
youdao
-
圪紧急停止开关有缓慢的开关元件，扭曲或关键释放选项。
EAO emergency stop switches are available with slow-make switching elements and twist - or key - release options.
youdao