The TDJ-302 type dowty retarder is a speed control tool that can automatically control the rolling speed of the vehicle without external energy.
On the morning of February 22, Gao Dongxu, deputy secretary of the Jining Municipal Committee of the Communist Youth League, visited China Coal Group
The dowty retarder, which was born in Harbin in the last century, is an important innovation of my country’s railway speed control equipment. However, this dowty retarder is installed on the inner sid
In order to commend the advanced and establish a model, on the afternoon of February 4th, the 2020 annual summary and commendation meeting of China Coal Group was held in the group.
In the course of using dowty retarder , there are some problems , such as the instability of the quality of retarder .
The Leaders Of Alibaba Group To Visit China Coal Group For Inspection And Cooperation
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Executive Editor: Zhang Wen / Editor: Linda Zhang