3 3 2 2受主与p型半导体

More uploads from 中国大学MOOC-慕课, a channel vetted in rounds 1-3 (pick mode); title passed a strict per-title check; oEmbed verified.

A 4-minute video from 中国大学MOOC-慕课: “3 3 2 2受主与p型半导体”.

Video by 中国大学MOOC-慕课, played through YouTube's embedded player.