问题
判断题
铣削锥齿轮时，可按简单分度法计算分度手柄转数进行分齿，为了便于偏铣，应选择较少的孔圈数。
答案
参考答案：错
搜题请搜索小程序“爱下问搜题”
铣削锥齿轮时，可按简单分度法计算分度手柄转数进行分齿，为了便于偏铣，应选择较少的孔圈数。
参考答案：错
| 从下列方框中选词并用其适当的形式完成下列书信。每空一词，每词只能使用一次。 | |
I'm a Chinese boy. I'm very happy to 1____________ to you. Now 2____________ me say something about myself. I'm 13 years old. I 3____________ in No. 8 Middle School. I often 4____________ our school bus to go to school. There are four lessons in the morning and two in the afternoon. My favourite 5____________ is swimming. I often go 6____________ in the river after school. My father 7____________ I'll be a swimming star in the future. Can you 8____________ me something about yourself? I really want to 9____________ friends with you. I hope I will 10____________ from you soon. Yours Yu Yi |