接入继电器;接入式继电器

cut-in relay的用法和样例：

例句

Outgassing is a problem sometimes seen in sealed electromechanical relays.在密封的机电式继电器中，除气作用有时候会成为问题。
A contactor is a special type of electromechanical relay, where the contacts are attached to the armature.接触器是一种特殊类型的机电式继电器，其触点被安装在枢轴机构上。

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built-in field function