Contact systems, as function execution component of electromagnetic relay (EMR), are the important parts in this product.
接触系统作为电磁继电器的功能执行部件，是继电器整体的重要组成部分。
Contact systems, as function execution component of electromagnetic relay (EMR), are the important parts in this product.
接触系统作为电磁继电器的功能执行部件，是继电器整体的重要组成部分。
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