问题
单项选择题
热力管道的施工过程中，下面哪种连接仅仅适用于小管径、小压力和较低温度的情况()。
A．螺纹连接
B．法兰连接
C．焊接
D．密封圈连接
答案
参考答案：A
搜题请搜索小程序“爱下问搜题”
热力管道的施工过程中，下面哪种连接仅仅适用于小管径、小压力和较低温度的情况()。
A．螺纹连接
B．法兰连接
C．焊接
D．密封圈连接
参考答案：A
My parents have always loved everything about India, so a year ago we went on holiday there. It’s a wonderful 15 with beautiful scenes and interesting people . However, I didn’t enjoy Indian 16 very much. On the second day we planned to see an old palace. At the 17 they said. “If you go by train, it’ll take you only two hours to get there.” However, the hot 18 took over four hours. I was very 19 when we got there , so we had some rice and vegetables with bread in a small restaurant. We were 20 to find it was quite nice. I wasn’t full up though and I saw a man nearby eating some little meatballs. I said to my dad, “I’ve been eating rice all week. Can I have some meatballs please?” Well, they looked delicious so I ate the first one very 21 . I was just putting the second one in my mouth when I felt myself 22 —my mouth was on fire! I started to cough（咳嗽）and there were tears (泪水)in my eyes. I couldn’t 23 how spicy (辛辣的) it was! I drank about ten glasses of water but the worst thing was everyone was laughing at me. You couldn’t make me eat another Indian meatball for all the 24 in the world!
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