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【判断题】
齿轮传动的优点是传递功率大,宜用于中心距较大的传动。()
A.
正确
B.
错误
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举一反三
【单选题】Let all our neighbors know that we shall join with them to oppose aggression or subversion anywhere in the Americas.
A.
rebuilding
B.
succession
C.
destroying
D.
salvage
【单选题】We need to let him know our plan he may refuse to join us.
A.
if
B.
because
C.
even if
D.
however
【单选题】Let all our neighbors know that we shall join with them to oppose aggression or subversion anywhere in the Americas.
A.
rebuilding
B.
successive
C.
devastating
D.
Concessive
【单选题】()经过多次拆卸后,防松效果会变差。
A.
弹簧垫圈
B.
齿形垫圈
C.
平垫圈
D.
波形垫圈
【简答题】Let all our neighbors know that we shall join with them to oppose aggression or ________ anywhere in theAmericas.
【单选题】CRH1A型动车组边门的开、关动作是靠()驱动的。
A.
气缸
B.
电机
C.
液压缸
D.
以上的都不是
【单选题】Let all our neighbors know that we shall join with them to oppose aggression or subversion anywhere in the Americas.
A.
defense
B.
invasion
C.
destruction
D.
Competition
【单选题】CRH1边门的开、关动作是靠()驱动的。
A.
气缸
B.
电动机
C.
液压缸
D.
气压和油压
【单选题】()经过多次拆卸后,防松效果会变差。
A.
平垫圈
B.
齿形垫圈
C.
弹簧垫圈
D.
波形垫圈
【简答题】How should you adjust the water level when cooking the rice? According to your own _________________.
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