经自然孔鼻窦抽吸术的英文

aspiration of nasal sinus through natural ostium

• 经:    warp
• 自然:    nature; natural wo ...
• 孔:    hole; opening; ape ...
• 抽:    take out
• 吸:    inhale; breathe in ...
• 术:    art; skill; techni ...