问题
问答题 简答题
塔釜液面偏高（低）的原因？
答案
参考答案：
原因：
①进料量大、采出量减小（大），釜温降低（升高）。
②塔釜液位调节阀故障。
③塔底输送泵故障。
④蒸汽压力突降或减气量过猛。
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塔釜液面偏高（低）的原因？
参考答案：
原因：
①进料量大、采出量减小（大），釜温降低（升高）。
②塔釜液位调节阀故障。
③塔底输送泵故障。
④蒸汽压力突降或减气量过猛。
选词填空。用方框中所给词的适当形式填空，使文章通顺、连贯、合理。（每空一词，每词限用一次，其中有两个词是多余的。共8分）
 Do you know what couch-potato means? Well, in America, the word is now often 小题1:. You see, in America, many people often spend their free time 小题2: on a couch (沙发) watching TV. As there are many channels to choose, the TV programs can be quite 小题3: and very addictive (使人上瘾的). One may sit and watch TV for hours and hours 小题4: stopping! Well, these people who do 小题5: all day except watching TV are called couch-potatoes. In America, while watching TV, most people are always sitting with eyes still looking right into the TV set. Also because these people are addictive to watch TV, they don’t take 小题6: and usually get very fat. So in many ways, these people look like 小题7: potatoes! Well, because they look 小题8:, and watch TV on a couch, they are all called couch-potatoes. Now you know what a couch-potato means. The next time if you see someone watching TV too long, just say, “What a couch-potato!” |