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【简答题】
凸轮轴通过（）齿轮转动。
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举一反三
【单选题】Passage 3 Questions 11 to 15 are based on the following passage: Scientists in India have invented a new way to produce electricity. Their invention does not get its power from oil, coal or other fuel...
A.
Because bullocks have long been used by Indian people
B.
Because bullocks walk slowly and are easy to control.
C.
Because there are few non-working bullocks in India
D.
Because there is not enough oil in India.
【单选题】装配式凸轮轴的特点有（ ）。
A.
减轻重量，大幅度节省凸轮轮廓机械加工工序及精加工设备
B.
降低生产成本，凸轮工作型面任意、凸轮轴结构形式任意
C.
材料分体优化选择及柔性加工、敏捷制造
D.
以上都是
相关题目：
【单选题】Passage 3 Questions 11 to 15 are based on the following passage: Scientists in India have invented a new way to produce electricity. Their invention does not get its power from oil, coal or other fuel...
A.
Because bullocks have long been used by Indian people
B.
Because bullocks walk slowly and are easy to control.
C.
Because there are few non-working bullocks in India
D.
Because there is not enough oil in India.
【单选题】装配式凸轮轴的特点有（ ）。
A.
减轻重量，大幅度节省凸轮轮廓机械加工工序及精加工设备
B.
降低生产成本，凸轮工作型面任意、凸轮轴结构形式任意
C.
材料分体优化选择及柔性加工、敏捷制造
D.
以上都是
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