该引脚是综合控制电路和电源地。
GND: This pin is the combined control circuitry and power ground.
一种解决方案是您的设备连接到电源地带和将其关闭，当您不在身边。
One solution is connecting your devices to a power strip and turn them off when you're not around.
为了防止触电事故，卸下电源地线的状态，请不要运转缝纫机。 收藏。
To avoid electrical shock hazards, never operate the sewing machine with the ground wire for the power supply removed.
请勿接触任何会为通向被测电路的共用侧或电源地的电流提供通路的物体。
Do not touch any object that could provide a current path to the common side of the circuit under test or power line (earth) ground.
请勿接触任何会为通向被测电路的共用侧或电源地的电流提供通路的物体。
Do not touch any object that could provide a current path to the common side of the circuit under test or power line (earth) ground.
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