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【判断题】
耗能型缓冲器可用于任何额定速度的电梯。( )A.
正确
B.
错误
拍照语音搜题，微信中搜索"皮皮学"使用
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参考解析：
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皮皮学刷刷变学霸
举一反三
【单选题】How can you distinguish between front vowels, central vowels, and back vowels?
A.
In terms of voicing.
B.
In terms of which part of the tongue is raised.
C.
In terms of how high the tongue is raised.
D.
In terms of whether the vowels is tense or lax.
【简答题】石墨类碳的充电机理是锂离子可逆地嵌入石墨层间,嵌入量一般不应超过 ,相应电化学容量为 mAh/g 。
【简答题】How are the vowels described usually?
【简答题】Classification of vowels are made up of thefollowing EXCEPT ____.A. the position of the tongue B. the openness of the mouth C. the shape of the lip D. the width of the vowels
【简答题】Finnish vowels are easy to distinguish.
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