cement & coneretecemento hormigon水泥: cement; -lith与: take part in; participate in混凝土: concrete; beton; jetereting水泥与混凝土研究: cement and concrete research道路与混凝土: road & concrete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:水泥与混凝土,即可在微信中查询翻译