drain tube

基本解释

Includes 1pc of pot saucer in color black , burgundy or dark green and 1pc each of teacup placement , drain tube , and cotton carried bag.
每组行方茶池含：陶制壶承（黑，豆沙红或暗绿色），杯席，透明排水管及棉质环保袋各一只。
m.translation-dictionary.net
The inside of the streamline shape head part of the closed type drain tube is provided with the positioning groove of the guide steel needle.
封闭式引流管流线形头部内侧设有导引钢针定位凹槽。
ip.com
It considered that to strengthen postoperative nursing care of drain tube is one of the important measures for postoperative rehabilitation of acute severe pancreatitis patients.
认为术后各种引流管的护理是急性重症胰腺炎病人术后康复的重要措施之一。

He'd spent eight years developing a special kind of Foley catheter--a flexible tube inserted into the bladder of hospital patients and disabled people to drain urine--that staved off inevitable infections.
FORBES: Magazine Article