皮皮学，免费搜题
登录
搜题
【判断题】
多数情况下，轴承内圈随轴一起转动，要求配合处必须有一定的过盈。A.
正确
B.
错误
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】将材料为45钢的齿轮毛坯加工成为6级精度硬齿面直齿圆柱外齿轮，该齿轮制造工艺顺序应是（）。
A.
滚齿、表面淬火、磨齿
B.
滚齿、磨齿、表面淬火；
C.
表面淬火、滚齿、磨齿
D.
滚齿、调质、磨齿
【单选题】将材料为45钢的齿轮毛坯加工成为6级精度的硬齿面直齿圆柱齿轮,该齿轮制造工艺顺序应为_______。
A.
滚齿、表面淬火、磨齿
B.
滚齿、磨齿、表面淬火
C.
表面淬火、滚齿、磨齿
D.
滚齿、调质、磨齿
【简答题】Reasons for changing careers are different in nature, but many people move because they are ________(厌烦）their current jobs and just want a change.A. tired of
【简答题】Reasons for changing careers are different in nature, but many people move because they are tired _______ their current jobs and just want a change.
【单选题】Motives or reasons for changing careers vary widely, but many people move because they feel __________ or fed up with a grinding or dull routine.
A.
valuable
B.
satisfied
C.
stale
D.
practical
【简答题】Reasons for changing careers are different in nature, but many people move because they _____their current jobs and just want a change.
【单选题】将材料为45钢的齿轮毛坯加工成为6级精度的硬齿面直齿圆柱外齿轮，该齿轮制造工艺顺序应是（ ）。
A.
滚齿、表面淬火、磨齿
B.
滚齿、磨齿、表面淬火
C.
表面淬火、滚齿、磨齿
D.
滚齿、调质、磨齿
相关题目：