This is cheapest because usually you have an extra on-board NIC and an extra port on your switch somewhere.
这是最便宜的，因为您通常会有一个额外的可用NIC和一个额外的端口。
The hardest part of designing a properly guarded switch is to fit all the traces on the board and maintain proper voltage spacing.
设计一个合适的保护开关的最难点是适合印制板上的所有布线，并保证适当的电压空间。
There is a switch board (control panel, distribution box) mounted on the wall.
在墙上装有一个开关板（控制盘、配电箱）。
Factors that affect the maximum current through the switch card include the traces on the board, the connectors, and the relays.
影响通过开关卡的最大电流的因素包括电路板上的走线、连接器和继电器。
Programming according to the list, write PLC host. Adjust the address switch on the back of the PLC board, and then soft start, the machine is back to normal.
依据程序清单进行编程，写入PLC主机。调整PLC主板后面的地址开关，再软起动，机床恢复正常。
Tape off rectangles on board, and paint with chalkboard paint as pictured above. This way, you can switch out herbs and change their labels accordingly.
用胶带在木板上围出一片长方形区域，区域内涂满黑板涂料，涂好之后，你就可以在这片区域里用粉笔写字来标记植物的标签了。
Then, with a flip of a switch on a circuit board, it turnedinto a display—one showing an old Coke commercial—and I could only barely makeout what was behind the image.
然后，随着按下电路板上的开关，它变成了一个显示旧可乐的广告和我只能勉强的理解其形象背后是什么。
There is a switch board mounted on the wall.
在墙上装有一个开关板。
Switch cabinet comprises of cabinet and on-board handcart.
开关柜由柜体和中置式手车两部分组成；
When operating, don't put your foot on the pedals witch board constantly, so as not to accidentally step on the switch, causing accident.
（某冲床说明书） 译文：工作时请注意不要经常把脚放在踏板上，以免不慎踏动，引起事故。
A power supply, the timer and the gear dividing switch are switched on by the circuit board.
通过接线板接通电源、定时器及分挡开关。
A power supply, the timer and the gear dividing switch are switched on by the circuit board.
通过接线板接通电源、定时器及分挡开关。
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