现已上线！2025 年 Telegram 研究 — 年度关键洞察 
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Electrical engineering students can join this Telegram group
https://t.me/Electricalengineeringpolytechnic
Civil engineering students can join this Telegram group
https://t.me/ppcivilengineering
Mechanical engineering students can join this Telegram group
https://t.me/appliedmechanicsbypp
