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【单选题】
最易发生低温腐蚀的部位是（ ）A.
空气预热器
B.
空气预热器热端
C.
省煤器入口端
D.
省煤器出口端
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
【简答题】1,常用的低压电器有哪些?主要作用是什么? 2,电流继电器、电压继电器、中间继电器、时间继电器、热继电器、速递继电器的文字符号及图形符号?
【简答题】Work in pairs. Choose a suitable sentence to fill in the blank and make a complete conversation. A. What do you recommend? B. Thank you. C. No, I’m afraid I don’t. D. OK, I’ll try that. E. Orange juic...
【简答题】W: Good evening, sir. Do you have a reservation? C: Well, I’m afraid not . W: I’m very sorry. There are no tables ____________now. Would you mind waiting for a minute? C: No. I don’t mind. W: Do you p...
【简答题】听录音，给下面句子排序。 ( ) Here is a school menu. ( ) What do you have for lunch on Wednesdays? ( ) What's your favourite food? ( ) I have chicken. ( ) I like cucumbers. ( ) What would y...
【单选题】Do you have some vegetarian dishes on the menu?句中划线单词的意思是___。
A.
蔬菜的
B.
荤的
C.
素食的
D.
清单的
【简答题】继电器的作用主要有:( )、( )、( )。
【简答题】翻译句子: 1 Do you have a reservation? 2 Will this table all right? 3 No, I prefer to sit near the window. 4 I will bring the menu to you, sir.
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