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【判断题】
中美关系开始发生质变可以概括为美国对华政策由“规锁”调整为“接触”
A.
正确
B.
错误
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【单选题】有一直齿圆柱齿轮,m=4,z=36,它的齿高为 。
A.
4
B.
8
C.
9
查看完整题目与答案
【单选题】已知一对外啮合标准直齿圆柱齿轮的标准中心距a=160,齿数Z1=20,Z2=60,计算这对齿轮的模数。
A.
3
B.
4
C.
5
D.
6
查看完整题目与答案
【单选题】有一直齿圆柱齿轮,m=4,z=36,它的分度圆直径为 。
A.
124
B.
134
C.
144
查看完整题目与答案
【简答题】一对啮合的标准直齿圆柱齿轮( =20o,ha* =1)。已知Z1 =30, Z2=90,m=5mm.试求这对齿轮的分度圆直径, 齿顶圆直径, 齿根圆直径, 传动比和中心距。
查看完整题目与答案
【单选题】有一直齿圆柱齿轮,m=4,Z=36,它的分度圆直径d为( )。
A.
152
B.
134
C.
144
D.
140
查看完整题目与答案
【单选题】The author cites the case of Johann Bachofen mainly to ______.
A.
show the value of studies on pre-modern women' s status
B.
justify the unchallenging works of earlier scholars
C.
present to readers an ancient women-ruled community
D.
prove the difficulty in the research of pre-modern cultures
查看完整题目与答案
【单选题】有一直齿圆柱齿轮,m=4,Z=36,它的分度圆直径为( )mm。
A.
152.0
B.
134.0
C.
144.0
D.
140.0
查看完整题目与答案
【单选题】有一直齿圆柱齿轮,m=4,Z=36,它的分度圆直径为( )mm。
A.
152
B.
134
C.
144
D.
140
查看完整题目与答案
【单选题】Johann Strauss, as a composer, was more successful and popular than his father.
A.
very
B.
so
C.
even
D.
too
查看完整题目与答案
【简答题】Johann Gutenberg, who worked as a goldsmith(金匠)，took what has already been discovered, and created a small invention that changed history. He created a machine that allowed him to move small blocks of...
查看完整题目与答案
相关题目：
【单选题】有一直齿圆柱齿轮,m=4,z=36,它的齿高为 。
A.
4
B.
8
C.
9
查看完整题目与答案
【单选题】已知一对外啮合标准直齿圆柱齿轮的标准中心距a=160,齿数Z1=20,Z2=60,计算这对齿轮的模数。
A.
3
B.
4
C.
5
D.
6
查看完整题目与答案
【单选题】有一直齿圆柱齿轮,m=4,z=36,它的分度圆直径为 。
A.
124
B.
134
C.
144
查看完整题目与答案
【简答题】一对啮合的标准直齿圆柱齿轮( =20o,ha* =1)。已知Z1 =30, Z2=90,m=5mm.试求这对齿轮的分度圆直径, 齿顶圆直径, 齿根圆直径, 传动比和中心距。
查看完整题目与答案
【单选题】有一直齿圆柱齿轮,m=4,Z=36,它的分度圆直径d为( )。
A.
152
B.
134
C.
144
D.
140
查看完整题目与答案
【单选题】The author cites the case of Johann Bachofen mainly to ______.
A.
show the value of studies on pre-modern women' s status
B.
justify the unchallenging works of earlier scholars
C.
present to readers an ancient women-ruled community
D.
prove the difficulty in the research of pre-modern cultures
查看完整题目与答案
【单选题】有一直齿圆柱齿轮,m=4,Z=36,它的分度圆直径为( )mm。
A.
152.0
B.
134.0
C.
144.0
D.
140.0
查看完整题目与答案
【单选题】有一直齿圆柱齿轮,m=4,Z=36,它的分度圆直径为( )mm。
A.
152
B.
134
C.
144
D.
140
查看完整题目与答案
【单选题】Johann Strauss, as a composer, was more successful and popular than his father.
A.
very
B.
so
C.
even
D.
too
查看完整题目与答案
【简答题】Johann Gutenberg, who worked as a goldsmith(金匠)，took what has already been discovered, and created a small invention that changed history. He created a machine that allowed him to move small blocks of...
查看完整题目与答案