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。
Button switch: operation right spirit, a string manipulation and wireless remote control two ways.
紧急停机按钮；保护用的接触开关；确保操纵人员的使用安全。
Emergency button and the protection of contact switch, make sure the personnel security of manipulator.
紧急停机按钮；保护用的接触开关；确保操纵人员的使用安全。
Emergency button and the protection of contact switch, make sure the personnel security of manipulator.
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