【单选题】【消耗次数：1】
机电一体化产品的动力与驱动部分的主要功能是??（????）
①
提供动力
②
传递运动
③
传递动力?
④
A、B和Ｃ
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【多选题】
机电一体化产品按用途可以划分为办公机电一体化产品、
产业机电一体化产品和民用机电一体化产品。
①
办公机电一体化产品
②
产业机电一体化产品
③
民用机电一体化产品。
④
以上不对
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