Warning: To avoid electric shock or injure, cut off power before checking and repairing.
警告：为避免触电或伤害，在检修前请先断开电源。
He teaches them to move around a small chamber to avoid a mild electric shock to their feet.
他教会他们去移动一个小房间来避免它们的脚被电击。
To avoid false readings that can lead to electric shock and injury, replace the battery as soon as the low battery indicator appears.
为避免因错误读数而引起的电击或人身伤害，出现电池电量不足的显示时，应更换电池。
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