Button switch: operation right spirit, a string manipulation and wireless remote control two ways.
按钮开关：手操作轻巧灵便，分有绳操纵和无线遥控两种方式。
This system comprised two control methods, namely field manual operation and remote control.
系统分为现场手动和远程遥控两种控制方式。
This system comprised two control methods, namely field manual operation and remote control.
系统分为现场手动和远程遥控两种控制方式。
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