A design of flow meter applied in the laboratory for the measurement of low biogas production
Wang Aofan, Liu Xinyuan, Wu Haiyun, Yang Lei, Xie Chengjin, Fan Jiayi
Journal of Tianjin Agricultural University . 2021, (3): 81 -85 .  DOI: 10.19640/j.cnki.jtau.2021.03.017