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问题
问答题 简答题
炉运行中,短吹未能退到位应如何处理?
答案
参考答案:
就地手摇,通知检修。
判断题
判断下列句子的表述是(√)否(×)正确。
( ) 1. This is markers.
( ) 2. This is a chalk.
( ) 3. These are pencils.
( ) 4. These are my pen.
( ) 5. Where are Wang Lin?
( ) 6. How many books are there?
( ) 7. Her is reading a book.
( ) 8. Where is the chalk?
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问答题 简答题
简述后掠角对飞机气动性能的影响。
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