Lv, Meng http://orcid.org/0000-0001-8238-3970
Niu, Chenxu
Funding for this research was provided by:
project of production, education and research of zhengzhou railway vocational and technical college 《design and research of multifunctional trolley for trough detection》 (2020CXY001)
project of production, education and research of zhengzhou railway vocational and technical college 《design and research on ore powder removal device of port railway crossing flange groove》 (2020CXY002)
Article History
Received: 29 July 2021
Revised: 15 September 2021
Accepted: 26 September 2021
First Online: 13 November 2021
Declarations
:
: The authors declared that they have no conflicts of interest to this work. We declare that we do not have any commercial or associative interest that represents a conflict of interest in connection with the work submitted.