Watt Cellular Antenna Changeover Switch.
瓦蜂窝天线转换开关。
There are more than 30 functions of changeover switch available for users' free choice.
转换开关有30多种功能可由用户自由选择。
The auto reversing universal changeover switch substitute for the button, and one hole substitute for multi-hole.
自动复位万能转换开关取代按钮，一孔取代多孔。
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