Hui-Min Ma Ying Xu Chao Yuan Jinghan Wang Yi-Guang Yang Tao Zhang 0072 Ziqiang Cui Gas Holdup Measurement of Gas-water Flow Using Microwave Transmission Line Method. 1-5 2022 I2MTC https://doi.org/10.1109/I2MTC48687.2022.9806558 conf/i2mtc/2022 db/conf/i2mtc/i2mtc2022.html#MaXYWYZC22