piers and abutments of railway bridge铁路桥: railway bridge梁: beam墩: mound台: tower桥梁墩台: piers and abutments下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:铁路桥梁墩台，即可在微信中查询翻译
