| 内环进口角 | 内环出口角 | 外环进口角 | 外环出口角 |
泵轮 | [148, 162] | [30, 40] | [148, 162] | [30, 40] |
涡轮 | [20, 30] | [145, 160] | [20, 30] | [145, 160] |
导轮 | [78, 92] | [15, 25] | [78, 92] | [15, 25] |