问题
问答题 简答题
汽轮机机体本身由哪些部分组成？
答案
参考答案：
（1）转动部分由主轴、叶轮、叶片等组成；
（2）固定部分由汽缸、喷嘴、隔板、汽封组成；
（3）支承部分由径向支承轴承和止推轴承组成。
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汽轮机机体本身由哪些部分组成？
参考答案：
（1）转动部分由主轴、叶轮、叶片等组成；
（2）固定部分由汽缸、喷嘴、隔板、汽封组成；
（3）支承部分由径向支承轴承和止推轴承组成。
| 用方框内所给动词的适当形式填空。 | |
2. He is not a good student, because he never ______ the books to the library on time. 3. —What are you doing? —We ______ for the exam. 4. The foreigners ______ the school, are they? 5. Look! The boy ______ faster and faster. 6. The twins usually ______ milk and bread for breakfast, but Jim ______ some porridge for it. 7. The girl ______ wearing a skirt. Look! She ______ a red skirt today. 8. The old worker ______ the students around the factory now. 9. It ______ heavily now, but it ______ soon. 10. Listen! Who's at the door? Someone ______ at the door. |