Check Electromagnetic relay operation, return value and return coefficient shall comply with product technology requirement.
检查电磁式继电器的动作、返回值及返回系数应符合产品技术要求。
Check Electromagnetic relay operation, return value and return coefficient shall comply with product technology requirement.
检查电磁式继电器的动作、返回值及返回系数应符合产品技术要求。
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