1. 滴水槽：throat velocity 管喉流速 | throating 滴水槽 | throttle valve 节流阀

2. 开槽槽线：throat 临界截面 | throating 开槽槽线 | throttle blind capacitor 节流盲室

3. 修整上膛滑槽：Throat 膛喉 | Throating 修整上膛滑槽 | Thumb safety 拇指保险、手动保险

4. 滴水：throatinfections 疫喉 | throating 滴水 | throatinstruments 咽喉科手术器械