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【单选题】
接触器KM1与KM2之间具有防止两相短路的电气制动功能,可称其为 。( )A.
接触器联锁
B.
按钮联锁
C.
双重联锁
D.
复合联顿
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
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【简答题】沥青与粗集料粘附性试验中当沥青膜少部为水所移动，厚度不均匀，剥离面积百分率少于10%时粘附性等级为?
【简答题】六、介词 / 副词填空: (10%) 1. I love reading and I have benefited a lot _________ reading all kinds of books. 2. The doctor decided to devote himself to finding a cure ________ this disease. 3. We should warn...
【单选题】听力原文：W: Can I help you? M: Well. I'm looking for something I saw at a friend's house a few days ago. W: What is it? M: It's a light metal shelf. W: You're in the right department, but we don't have th...
A.
At a department store.
B.
In the man's home.
C.
In a kitchen.
D.
In a book store.
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