Please fill out the Feedback Form if you have any comments and Suggestions (in the Contact section).
如果您有任何看法和建议,请填写反馈表(在“联系”栏目中)。
A mechanical model and its calculation method are advanced for calculating the variation regularity of load on the rails of the close contact section between switch point and stock rail.
提出了求解道岔转辙器部分尖轨与基本轨密贴区域内轮载在两钢轨上分布规律的力学模型与计算方法。
Interested library associations outside of Latin America and the Caribbean, Africa, and Asia and Oceania should contact the Management of library associations section.
在拉美地区以外以及加勒比海,非洲和亚洲以及大洋洲的感兴趣的图书馆联盟可以联系图书馆联盟管理部门。
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