排查

to inspect / to run through a checklist / to take stock / to audit

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

surname Zha

to research / to check / to investigate / to examine / to refer to / to look up (e.g. a word in a dictionary)

variant of 楂[zha1]

to troubleshoot / to check components individually for problems / troubleshooting