bottom girder

基本解釋

The results showed that the pier, the top and the bottom plates of the main girder were all under compression.
結(jié)果表明：墩身和主梁的頂?shù)装宥际軌?，強度、剛度都滿足要求。
Between the top board of the support and girder, between the bottom board and frusta when the level power is three times of the design horizontal supporting capacity.
充分保證了支座上座板與梁體、下座板與墩臺之間在水平力為設(shè)計水平承載力三倍時無相對位移。
The fatigue property of framework-pore structural cement stabilized macadam is comparatively better because the bottom of the girder has formed a layer of grout in the course of forming the girder.
骨架空隙結(jié)構(gòu)水泥穩(wěn)定碎石的疲勞性能相對較好的原因是因為在成型梁的時候在梁的底部形成了一層水泥漿體。