thirty的知识聚焦

thirty-five-millimeterfilmstripprojector词语：thirty-five-millimeterfilmstripprojector解释：35mm幻灯机[逐幅放映幻灯片卷的18x24mm画面的幻灯[放映]机。(IXB)]词典：仪器仪表专业英汉词典...