短語詞組短語Light in Weight 重量輕light -weight paper 薄頁紙light t weight 輕的Ultra light in weight 超輕重量lightweight aggregate 輕骨料；輕砂石lightweight aggregate concrete 輕骨料混凝土；輕質(zhì)集料混凝土lightweight concrete 輕質(zhì)混凝土lightweight construction 輕型結(jié)搆；輕量搆造 返回 light weight