问题
单项选择题
分馏法原油稳定装置原油含水高时,不会出现()。
A.稳定塔顶压力上升
B.稳定塔顶温度上升
C.空冷器出口温度上升
D.稳定塔液位不平稳
答案
参考答案:B
分馏法原油稳定装置原油含水高时,不会出现()。
A.稳定塔顶压力上升
B.稳定塔顶温度上升
C.空冷器出口温度上升
D.稳定塔液位不平稳
参考答案:B
用方框中所给词的适当形式填空, 其中有两个词是多余的. | |
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l. It's snowing hard outside. It's very __ __ now. 2. —How is it __ __ in your new school? —Not bad. 3. People like to swim in summer because it is too __ __. 4. The weather in Hainan is __ __ all year round, so people can grow rice three times a year there. 5. It gets __ __ when autumn (秋天) comes. |