对《铁路技术管理规程》第346条第2款的规定进行了探讨，提出分析和意见。
The paper discusses and analyses the specifications in Item 2 of Art. 346 of "Technical Management Rules and Regulations for Railways", and makes some comments.
对《铁路技术管理规程》第346条第2款的规定进行了探讨，提出分析和意见。
The paper discusses and analyses the specifications in Item 2 of Art. 346 of "Technical Management Rules and Regulations for Railways", and makes some comments.
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