问题
问答题 论述题
废气缓冲罐有什么作用？
答案
参考答案：
PSA运转过程中产生的废气，其压力、流量和组成都发生周期性的变化。而作为转化炉的燃料气应当具有稳定的压力、流量和热值，故PSA装置设置了废气缓冲罐，其作用就是为转化炉提供流量、压力和组成接近均匀一致的燃料气。
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废气缓冲罐有什么作用？
参考答案：
PSA运转过程中产生的废气，其压力、流量和组成都发生周期性的变化。而作为转化炉的燃料气应当具有稳定的压力、流量和热值，故PSA装置设置了废气缓冲罐，其作用就是为转化炉提供流量、压力和组成接近均匀一致的燃料气。
Do you remember your home phone number or family birthday? The researchers（调查者）spent two weeks polling（调查）4,000 people for the magazine named Brain Trainer. Here are the results of the survey.
The survey took the researchers about half a 小题1:_________. From the survey, we know lots of people 小题2:_ ________ remember their home phone numbers or 小题3:_________ because they always use their 小题4:_________ to remember them. Most people rely on electronic tools instead of 小题5:_______ important dates themselves. Without electronic tools, can you imagine what your life will be like? |