题目内容：
加热炉的负压是怎样产生的？为什么在负压下操作？
参考答案：
问答题,简答题：加热炉的负压是怎样产生的？为什么在负压下操作？
- 题目分类：测井工考试
- 题目类型：问答题,简答题
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- What do you think of the movie we saw last night? - _________A. The actress
- What do you think of the movie we saw last night? - _________A. The actress
根据网关的用户和规格，可以将媒体网关分为以下哪几种？（）A．住宅网关B．接入网关C．资源网关D．无线网关E．商业网关
根据网关的用户和规格，可以将媒体网关分为以下哪几种？（）A．住宅网关B．接入网关C．资源网关D．无线网关E．商业网关
- Would you mind if I turned the radio up?- _________A. Yes, please. B. No, go
- Would you mind if I turned the radio up?- _________A. Yes, please. B. No, go
杯状整形属人工形体式整形A．正确B．错误
杯状整形属人工形体式整形A．正确B．错误
- I'd like to invite you to dinner this Saturday, Mr. Smith.- _________
- I'd like to invite you to dinner this Saturday, Mr. Smith.- _________