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问题 问答题

简述德国询盘信的撰拟要领。

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参考答案：[*]C:\Documents and Settings\Administrator\My Documents\图片\11.jpg

选择题

England is becoming a tourist country. _____ people come here during the holidays every year. [ ]

A. Thousand of

B. Thousands of

C. Five thousands of

D. Five thousands

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问答题 简答题

锅炉钢、汽轮机主要的热处理工艺？
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