起波澜
发表于 2025-3-30 09:15:32
https://doi.org/10.1007/3-540-69835-3d innovative thinking. After training for a semester in engineering graphics course, the spatial configuration ability for mechanical engineering student is enhanced obviously, and this ability make them more creative for subsequent professional curriculum and actual production manufacture.
glowing
发表于 2025-3-30 15:56:02
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