题目内容

曲轴弯曲变形的测量方法为（）。

A. 测量同侧连杆轴颈的高度差
B. 测量两侧连杆轴颈的高度差
C. 测量曲轴主轴颈的高度差
D. 测量曲轴中间主轴颈的径向圆跳动

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曲轴弯曲的校正方法有（）和（）。

曲轴轴颈磨损测量时需要测量（）截面，每个截面测量（）个方向。（填写阿拉伯数字）

百分表所测得的最大值与最小值之差即为曲轴的弯曲程度。（）

A. 对
B. 错

❸ Listen to a dialogue and decode the message by finding out the correct choices in brackets according to what you have heard.Pat 1 (Alice, Alex, Alison) came to see Li Hong. They talked about the party last night and the weather. Pat didn’t go to the party because it was so cold and 2 (windy, rainy, snowy) . It seemed that he didn’t like the weather here. When Li Hong suggested a 3 (walk, talk, work) in the afternoon, Pat thought it was too cold to go out for it was 4 (fourteen, thirteen, sixteen) degrees Celsius. Li Hong didn’t agree. She said in winter, the weather could be much colder. Last winter, it was 5 (three, six, seven) degrees below zero for three 6 (weeks, days, months) and very windy.