2021.06.18(五)第5節化二乙分析化學

Round-11 hunt: picked; channel-level screens (sellers/exam/re-upload/devotional/vendor/events), provenance check and vendor/seller/devotional recheck passed; strict per-title check + final strict pass; oEmbed verified.

A 51-minute video from 許維鴻: “2021.06.18(五)第5節化二乙分析化學”.

Video by 許維鴻, played through YouTube's embedded player.