下载APP
【单选题】
标准齿轮是指 的齿轮。
A.
模数、啮合角、齿顶高系数和顶隙系数均为标准值，且分度圆上的齿厚等于齿槽宽
B.
模数、压力角、齿顶高系数和顶隙系数均为标准值，且分度圆上的齿厚等于齿槽宽
C.
齿数、压力角、齿顶高系数和顶隙系数均为标准值，且分度圆上的齿厚等于齿槽宽
D.
齿距、压力角、齿顶高系数和顶隙系数均为标准值，且分度圆上的齿厚等于齿槽宽
举报
参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】Passage 3 Questions 11 to 15 are based on the following passage: Scientists in India have invented a new way to produce electricity. Their invention does not get its power from oil, coal or other fuel...
A.
Because bullocks have long been used by Indian people
B.
Because bullocks walk slowly and are easy to control.
C.
Because there are few non-working bullocks in India
D.
Because there is not enough oil in India.