premixing英p'remɪksɪŋ美p'remɪksɪŋCOCA²⁰⁷⁶⁶¹ 基本例句 预混合¹⁰⁰ According to further research on the influence of jet spout type option, on the combustion efficiency of part- premixing burners, an optimal nozzle shape for these burners was found. 进一步研究了喷口型式对部分预混燃烧器燃烧效率的影响,得出了该燃烧器的最佳喷口形式。 cnki