液力偶合器安装在()轴上的轮为涡轮减速器。
A、电动机
B、机头
C、减速器
D、机尾
参考答案:C
My father ill yesterday. [ ]
A. isn't
B. aren't
C. wasn't
D. weren't
解除体积较大且材质较硬的落物卡可用套铣的方法。