原底，读音yuán dǐ，汉语词语，意思是原本，本来。
采用串联式波纹管机械密封代替原单端面机械密封，解决了减底泵机械密封冲洗液对介质的影响问题。
The infection of the washing liquid used in the pump at the decompression tower bottom to the medium was introduced.
包括喉癌、下咽癌、舌癌、口底癌、甲状腺癌及双侧原发灶不明的颈部转移癌。
The cases included the cancer of larynx, hypopharynx, tongue, floor of mouth, thyroid, submandibular gland and bilateral cervical metastasis.
此外，原发瘤可以扩展到鼻腔(5例)，副鼻窦和颅底(5例)。
Besides, the primary tumor might extend to the nasal fossa (5 cases), paranasal sinuses and the base of the skull (5 cases).
应用推荐