cant rail客车: passenger train; passenger c ...上: upper; up; upward侧梁: curb girder; side beam; side ...货车上侧梁: tochord上侧梁: side top chord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:客车上侧梁,即可在微信中查询翻译