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【单选题】
下列措施中,不利于减轻和防止齿轮磨粒磨损的是 ___.A.
降低齿面硬度
B.
减小齿面粗糙度值
C.
采用传动
D.
经常更换润滑油
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举一反三
【简答题】Listening to the two talks on why Socrates and Descartes are great philosophers and complete the following sentences. Socrates is a great philosopher because: (1) he ___1____ dialectic. (2) he was wil...
【简答题】The History of Greek Influence Greece is a beautiful country in the south of Europe. It used to be called Hellas in ancient times. Greece is believed to be the birthplace of European civilization. Its...
【简答题】Confucius and Socrates Kong Zi, also called Confucius (551-479 B.C.), and Socrates (469-399B.C.) lived only about a hundred years apart, and during their lifetimes there was no contact between China a...
【简答题】Socrates is a great philosopher because: he invented dialectic. he was willing to ______. he constantly searched for truth.
【判断题】Some teachers seem to be good teachers, but they are not, even though their students have no special fault to find with them. They are not good teachers because they have no social vision, no social u...
A.
正确
B.
错误
【判断题】Some teachers seem to be good teachers, but they are not, even though their students have no special fault to find with them. They are not good teachers because they have no social vision, no social u...
A.
正确
B.
错误
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