In this article, it is proposed that TDW905N controllable retarder, applied with microcomputer speed control system, is much suitable for automation improvement of small and middle Marshalling Yard.
本文提出TDW905N可控减速顶辅与微机速度控制系统，非常适合中、小能力驼峰编组场的自动化改造。
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Computer room: Adopt computer design, arrange Mai shelf, put yard, make speed more quickly, the materials are saved even more, many operators all have a skilled professional technique function.
电脑房：采用电脑设计，排唛架、放码，令速度更快、用料更省。多名操作员皆是有熟练的专业技术职能。
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The design of the automatic hump yard profile depends upon the system of speed control.