ballast spreaderballasting car铺: shop; store碴: be cut铺碴机: ballaster; ballasting machine; machine for ballasting道碴车: ballast car; ballastcar分碴车: ballast distributing wagon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:铺碴车,即可在微信中查询翻译