持续声门下吸引
continuous aspiration of subglottic secretion
Continuous aspiration of secretion
Continuous aspiration of subglottic secretions
超声吸引刀
cut-ultrasound aspiration
声门下恶性肿瘤
Malignant neoplasm of subglottis
声门下分泌物引流
subglottic secretions drainage
subglottic secretion drainage
声门下口
Aditus glottidis inferior
水声吸声材料
underwater sound absorption material
underwater anechoic material
underwater sound-absorbing materials
underwater acoustic absorption materials
水下吸声材料
underwater acoustic absorption materials
underwater sound absorption material
外科超声吸引器
Cavitron ultrasonic surgical aspirator