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- 多跨D型便梁multi-span D temporary beam
- D型便梁D- shaped auxiliary girder
- 高限速下非标准D型便梁的应用及监测Adoption and supervision of non-standard D-type removable beams under condition of train limited speed at higher level
- 多multi-
- 最多maximum
- 工便梁girder
- 便ordinary
- 多个multi-
- 多跨转子系统轴承标高与非线性动力特性High Marks and Nonlinear Behaviors of a Multi-Span Rotor-Bearing System
- 铁路便梁动态特性的试验研究Experimental research over the dynamic characteristics of railway auxiliary girder
- 多年many years
- 多云cloudy
- 那么多tanto
- 利用路基便梁架空线路翻修隧道仰拱Repairing Inverted Arch By Use of Overhead Railway Based on the Subgrade Temporary Bridge
- 多大how big
- D型D-type
- 最多的most
- 越来越多more and more
- D型车long and large cargo car
- 便梁加固线路施工时防轨道联电预报装置的研究与应用Development and application of a warning device for prevention of power connecting to tracks when strengthening lines with auxiliary girder
