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问题
判断题
断面图除画出机件断面的图形外,其剖切平面后的可见结构均要画上。
答案
参考答案:
错
选择题
______ answer the teacher's question on this modal verb?
A. Do you think how can we
B. Do you think how we can
C. How do you think we can
D. How do you think can we
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名词解释
简述乡镇环境规划存在的主要问题。
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