排污地下主管網

underground sewage network

a row / a line / to set in order / to arrange / to line up / to eliminate / to drain / to push open / platoon / raft / classifier for lines, rows etc

to drain sewage

variant of 污[wu1]

dirty / filthy / foul / corrupt / to smear / to defile / dirt / filth

-ly / structural particle: used before a verb or adjective, linking it to preceding modifying adverbial adjunct

earth / ground / field / place / land / CL:片[pian4]

underground / subterranean / covert

down / downwards / below / lower / later / next (week etc) / second (of two parts) / to decline / to go down / to arrive at (a decision, conclusion etc) / measure word to show the frequency of an action

owner / master / host / individual or party concerned / God / Lord / main / to indicate or signify / trump card (in card games)

in charge / responsible for / person in charge / manager

variant of 管[guan3]

surname Guan

to take care (of) / to control / to manage / to be in charge of / to look after / to run / to care about / tube / pipe / woodwind / classifier for tube-shaped objects / particle similar to 把[ba3] in 管...叫 constructions / writing brush / (coll.) to / towards

net / network