无活动导叶S形轴伸贯流转浆式水轮机导叶叶栅
S-type Toma tube turbine guide vane cascade
变矩器叶轮轮毂
converter impeller hub
torque converter impeller hub
三叶叶轮
Triplicate blade impeller
双流道叶轮叶片绘型
The Drawing of Vane of Double Channel Impeller
叶轮轮毂端直径
impeller hub end diameter
杜仲叶活性部位Ⅰ
Active component Ⅰ from Duzhongye
工具性日常生活活动
instrumental activities of daily living
ins trumental activities of daily living
instrumental activities of daily living IADL