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【单选题】
插入印制电路板需弯折引线的元器件其弯折方向应与( )铜箔走线方向相同。A.
焊接
B.
焊盘
C.
引线
D.
导线
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【简答题】雾化吸入疗法适应证 26、雾化吸入疗法禁忌证 27、雾化吸入疗法准备工作 28、雾化吸入疗法操作方法 1.试述简易玻璃压力型雾化器的雾化原理。 2.试述超声雾化器雾化原理。
【简答题】对超声雾化吸入特点和适应证陈述错误的是A. 1111MicrosoftInternetExplorer402DocumentNotSpecified7.8 磅Normal0雾量大小可调B. 1111MicrosoftInternetExplorer402DocumentNotSpecified7.8 磅Normal0雾滴小而均匀直径在15μm以上C. 1111MicrosoftInternetEx...
【单选题】听力原文：W: Jack must have been joking when he said that he was going to quit his job. M: Don't be too sure. He told me that he was trying to sell his house. What can we assume from this conversation?
A.
The man is a judge.
B.
It's an interviewer.
C.
The man agrees with the woman.
D.
The man believes that Jack will quit his job.
【简答题】试述超声雾化吸入器的原理?
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