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【简答题】
构件间为点、线接触形式的运动副称为,常见的平面副有 和 。
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皮皮学刷刷变学霸
举一反三
【简答题】“有色金属之乡”之称的有( )
【判断题】Sponsor of a conference is the institution that initiates the conference while organizer of the conference is entrusted by the sponsor to organize the conference.
A.
正确
B.
错误
【判断题】Sponsor of a conference is the institution that initiates the conference while organizer of the conference is entrusted by the sponsor to organize the conference.
A.
正确
B.
错误
【简答题】A．Hurry to the conference. B．Skip the conference. C．Take the subway. D．Take a bus.
【判断题】Sponsor of a conference is the institution that initiates the conference while organizer of the conference is entrusted by the sponsor to organize the conference.
A.
正确
B.
错误
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