机械制图算可以吧，就是有时候读三视图的时候老想将图纸拿起来从图纸下面往上仰望。

来源: Sequoia_CA 于 2025-08-08 13:23:58 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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