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The main electric connection of substation is simplified.
该设计简化了电气主接线；
youdao
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Main electric drive to open the door and door related products all over the country.
主营电动门开门机及相关配套产品，产品遍布全国。
youdao
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Main electric drive to open the door and door related products all over the country.
主营电动门开门机及相关配套产品，产品遍布全国。
youdao