摘要
介绍了作者自制的多用化学实验管的制作和使用方法,该仪器具有省药节能、操作方便、无污染、功能多的优点.
This article introduces the facture and application methods of the all-purp ose chemical experiment tube made by author himself.It has many merits such as saving drugs and power,convenient operation,no pollution,and multi-function .
出处
《中国教育技术装备》
2004年第3期17-18,共2页
China Educational Technology & Equipment