问题
问答题 简答题
可倾瓦轴承的特点是什么?
答案
参考答案:
可倾瓦轴承又称活支点多瓦轴承,它通常由3~5块能在支点上倾斜的弧形瓦块组成。可倾瓦轴承在工作时可随着转速、载荷的变化而自由摆动。
可倾瓦轴承的特点是什么?
参考答案:
可倾瓦轴承又称活支点多瓦轴承,它通常由3~5块能在支点上倾斜的弧形瓦块组成。可倾瓦轴承在工作时可随着转速、载荷的变化而自由摆动。
从方框中选择适当的句子完成对话 | |
Linda: Jack, (1)______________ Jack: It's Tuesday. Linda: (2)______________ Jack: Because we have English and music on Tuesday. They are my favourite lessons. Linda: (3)______________ Jack: At six o'clock on Tuesday and at half past six on other days. Linda: You get up early. I get up at seven. Jack: (4)______________ Linda: My school is next to my house. Jack: Oh. (5)______________ Linda: At home. But I have lunch at school. Jack: Me too. I like school lunch. The food is good. |