For correct installation use a multiple pole switch or relay as shown below.
多台执行器连接的正确方式是使用多级转换开关和继电器。
This paper states multiple function of constitution pole in brick-and-concrete house and its application range.
本文论述了构造柱在砖混房屋中的多功能性特点及其适用范围。
This paper states multiple function of constitution pole in brick-and-concrete house and its application range.
本文论述了构造柱在砖混房屋中的多功能性特点及其适用范围。
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