diverter valve短语¹⁸⁰⁰⁹⁸⁺¹ 基本例句 偏向型元件 In addition, the measurement on pressure loss cross one side of four-way diverter/span> valve has been carried out and some questions on pressure loss of four-way diverter valve are posed. 同时，也对四通换向阀进行了单侧压力损失测量，对四通换向阀说明书上的压力损失参数的准确性提出了质疑。 cnki