一、化学演示箱和实验箱的制法演示箱(见图1)是体积为41.5×18.5×29cm~3的双开门便携式箱体,主要供教师进行初中化学教学演示实验使用。内装初中化学演示实验所需仪器216件,药品45种。其上盖和前面板均可打开。箱内仪器、药品基本上分层排布。底层是玻璃仪器,中层设有药品抽屉,不 First, the chemical demonstration box and the experiment box preparation method demonstration box (see Figure 1) is a portable cabinet with a volume of 41.5 × 18.5 × 29cm ~ 3 double door, mainly for teachers to use junior middle school chemistry teaching demonstration experiments. There are 216 instruments and 45 kinds of drugs required to install the junior high school chemistry demonstration experiment. Both the top cover and the front panel can be opened. The equipment and drugs in the box are basically arranged in layers. The bottom is a glass instrument and the middle is a medicine drawer. No