不知怎么的，这条工作犬和猎犬混血的小狗仅通过啃塑料手柄，居然花掉了这笔钱。
Somehow, the lab/hound mix (pictured above) managed to spend the money simply by chewing on the plastic controller.
工作时只需一人点按手柄开关，控制升降。
When work only needs one person to select according to the handle switch, the control fluctuation.
把任一个控制手柄拨到工作位置上，再按“起动”按钮，总接触器应不动作，则说明零位保护已发挥作用。
Put any control handle to the working position, press the "start" button, the total contactor should not move, then explain the zero position protection has played a role.
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