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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
