Belt plugging turn protection handcart and grounding switch electrically operated with one button.
带堵转保护的手车和接地开关一键式电动操作。
Consider plugging a PC and printer into a switch using Ethernet cables and trying to print a picture.
考虑以下应用：将PC和打印机与采用以太网线缆的交换机相连，并尝试打印一副图片。
Consider plugging a PC and printer into a switch using Ethernet cables and trying to print a picture.
考虑以下应用：将PC和打印机与采用以太网线缆的交换机相连，并尝试打印一副图片。
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