- gaining
- 榫槽: tongue-and-groove; mortise
- 化: change; turn; transform
- 槽化: channelization; troughing
- 榫槽: tongue-and-groove; mortise◇榫槽刨 boaster; shoulder plane; bevelling plane; 榫槽机 seat mortising machine; 榫槽铣刀 tonguing cutter
- 槽化岛: channelization island; channelizing island
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