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【判断题】
两齿轮间的传动比(i)指齿轮的转速之比,也是齿轮的齿数之比,该说法是否正确A.
正确
B.
错误
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皮皮学刷刷变学霸
举一反三
【单选题】The young man was _____ on heroin and lost his job and his wife.
A.
promoted
B.
refuted
C.
justified
D.
hooked
【单选题】The young man was ____ on heroin and lost his job and his wife.
A.
hooked
B.
weakened
C.
hardened
D.
filtered
【简答题】A man lost his legs in a tragic accident. After the accident, only two fingers 36 on his right hand. However, he was bright, creative and educated. He had gained much experience while traveling thro...
【简答题】尸体现象受哪些因素的影响?
【简答题】There is a story about a man who lost his legs and left arm in an accident. After the accident, only a finger and thumb on his right hand remained. He was a brilliant, creative, and educated man. He h...
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