vertical-axis英'vɜːtɪkl'æksɪs美'vɜːtɪkl'æksɪsCOCA¹⁴³³³⁰BNC²³⁶²¹³⁺¹ 基本例句 垂直轴¹⁰⁰ Then, the methods that have been used to the vertical-axis variable-pitch cycloidal rotor are applied and the corresponding calculation formulas are formed. 然后将计算摆线式水轮机的各种方法推广应用于蹼板式水轮机,得到了相应的计算公式; cnki