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【简答题】
东风11型内燃机车上采用了哪几类接触器？有何功用和特点？
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参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】The conference explored the possibility of closer trade links．
A.
reiected
B.
examiHed
C.
proposed
D.
exposed
【单选题】The conference explored the possibility of closer trade links.
A.
rejected
B.
investigated
C.
proposed
D.
postponed
【简答题】___________the 1500's____________the first Europeans explored the coast of California. A.It was not until ... when B.It is until ... that C.It is not until ... when D.It was not until ... that
【单选题】The conference explored the possibility of closer trade links.
A.
rejected
B.
investigated
C.
proposed
D.
exposed
【简答题】The conference explored the possibility of closer trade links.
【单选题】超轻型飞机是指()
A.
重量低于320kg的各类载人飞机
B.
重量低于160kg的各类载人飞机
C.
重量低于116kg的各类载人飞机
D.
重量低于106kg的各类载人飞机
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