railway bridge span series铁路桥: railway bridge梁跨度: beam span系列: succession; series; bank; se ...桥梁跨度: bridge span铁路桥梁: railroad bridge; railway bridge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:铁路桥梁跨度系列，即可在微信中查询翻译
