今日950铂金价格查询:翻译:请问铅笔是怎么制造的?是不是两瓣木头把笔心夹住后粘在一起?
来源:百度文库 编辑:查人人中国名人网 时间:2024/05/24 19:57:37
How are pencils made? Is it by putting the lead between two strips of wood and then glue it together?
How are pencils made? Is it by putting the lead between two strips of wood and then glue it together?