
齿轮
Authored by TONG Moe
Science
1st Grade - University
Used 2+ times

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7 questions
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1.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
齿轮分成
嵌合在一起的齿轮
不嵌合在一起的齿轮
单个齿轮
2.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
嵌合在一起的齿轮转动的方向是
相同的
相反的
3.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
大齿轮转了1圈,小齿轮转几圈?
1
2
3
4
4.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
不嵌合在一起的齿轮是
两个齿轮被分开
两个齿轮触碰一起
由链条连接着
5.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
不嵌合在一起的齿轮,两个齿轮的方向是
相同的
相反的
6.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
应用齿轮的东西是
旗杆
手表
时钟
摩多车
自行车
7.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
要加快速度,我们用
大齿轮推动小齿轮
小齿轮推动大齿轮
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