This paper expounds the necessity of rail sand table design, and illustrates the design and switching mechanism, which is safe and can be found a wide application in rail sand table.
阐述了铁路沙盘设计的必要性，介绍了铁路沙盘的道岔控制电路的设计和动作原理。
This paper expounds the necessity of rail sand table design, and illustrates the design and switching mechanism, which is safe and can be found a wide application in rail sand table.
阐述了铁路沙盘设计的必要性，介绍了铁路沙盘的道岔控制电路的设计和动作原理。
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