排水竖井

draining

Heart-Draining Red-Abducting Powder

draining board

draining-off liquids from tubes

center fullness is treated by draining the inner body

Green-Blue--Draining Pill

Spleen-Stomach–Supplementing Yin1-Fire Draining Yang2-Upbearing Decoction [NIS]

Supplemented White-Draining Powder