问答题
一张装配图的内容有 、 、 和零部件序号、标题栏、明细栏。
【参考答案】
(1)
一组视图、尺寸标注、技术要求
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前院空间主要起到()作用。
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News report 3Questions 5 to 7 are based on the news report you have just heard. A、They took a rescue vehicle. B、They raced to the safe area. C、They hid behind big rocks. D、 They rushed to a nearby shelter.
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