1966年本刊第4期登载了王自然同志提供的“简易抽滤装置”一项小经验,读者认为有实用价值。之后,陈玉昆、沈志高两同志不约而同地提出了装有一个双连球的抽滤装置(图一);费英廷同志又提出了装有一个缓冲瓶的抽滤装置(图二)。现综合发表如下,以供参考。 In 1966, No. 4 published a small experience of “simple suction filtration device” provided by Comrade Wang Zizhi, and the readers think there is practical value. After that, Comrade Chen Yukun and Shen Chih-Gao both proposed at the same time a suction filtration device equipped with a double-lined ball (Figure 1); and Comrade Ferinti also proposed a suction filtration device equipped with a buffer bottle (Figure 2). The following is a comprehensive publication for reference.