您要查找的是不是：
- 内体管endosiphuncle
- 口mouth
- 管pipe
- 体管索siphuncular cord
- 一口readily
- 体管叶siphonal lobe
- 口的oscular
- 原体管prosiphon
- 他把管口堵住了。He closed up the mouth of the pipe.
- 胶囊体管gl[o]eovessel
- 两性体管hermphrodite duct
- 管口nozzle
- 巴多林氏管口aditusad aquaeductum cerebri
- 有体管的siphunculate
- 鼻泪管口apertura ductus nasolacrimalis
- 金属锥体管metal cone tube
- 板管口tube holes on tube sheet
- 双向品体管bidirectional transistor
- 胀管口expand
- 开关昌体管switch transistor; switching transistor
