【机】 septic tank
sewage; slops; sullage
【化】 effluent; effluents; foul water; polluted water; septic sewage
sewerage; slops
【医】 sewage; sullage
refine; purge; purify; decontaminate; catharsis; clarification; cleanse
purgation; spiritualization
【计】 clean-up
【化】 decontamination
【医】 cleaning; depuration; purification
chamfer; gutter
【计】 slot
【化】 channel
【医】 alvei; alveus; crib; gutter; slot; socket; tank; trough