(判断题)34: 离合器扭转减振器只能对曲轴的扭转振动起缓和作用。 ( ) A: 错误 B: 正确 ...
(多选题)28: 采用齿轮、齿条式转向器时,不需要(),所以结构简单 A: 转向节臂 B: 转向摇臂 C: 转向直拉杆 D: 转向横拉杆 ...
(多选题)22: 在动力转向系中,转向所需的能源来源于() A: 驾驶员的体能 B: 发动机动力 C: AB均存 D: AB均没有 ...
(多选题)16: 对钢板弹簧描述不正确的是( )。 A: 只承受载荷; B: 承受载荷并有导向作用; C: 承受载荷并有导向及减振作用 ...
(单选题)10: 液力减震器的工作原理是利用液体流动的阻力来 ( )。 A: 消耗振动的能量 B: 平衡振动力 C: 增大振动的能量 D: 增加振动 ...
(单选题)4: 筒式减振器的工作过程可分为压缩和 ( )两个行程。 A: 进油 B: 伸张 C: 回油 D: 制动 ...
(单选题)1: The 12-year-old boy’s goal is to specialize ______ Western history in the future. A: on B: to C: in D: at ...
(单选题)15: There's a man at the reception desk who seems very angry and I think he means____________trouble. A: making B: to make C: to have made D: having made ...
(单选题)9: The changes our city ( )in the past few years are little short of miracul ous. A: catalogued B: underwent C: inherited D: furnished ...
(单选题)3: Any excitement you have at starting a new job is always ( ) with a certain amount of fear. A: mingled B: dotted C: joined D: scarred ...