國內定期航線月份班表_nchc_revise

revise_msg:Clean spaces for 3st variable

Clean spaces for 5st variable

Clean spaces for 6st variable

Clean spaces for 7st variable

Clean spaces for 8st variable

Clean spaces for 9st variable

Clean spaces for 10st variable

Clean spaces for 11st variable

Clean spaces for 12st variable

Clean spaces for 13st variable

Clean spaces for 14st variable

Clean spaces for 15st variable

Clean spaces for 16st variable

Clean spaces for 17st variable

Clean spaces for 18st variable

Clean spaces for 19st variable

Clean spaces for 20st variable

Clean spaces for 22st variable

Clean spaces for 25st variable

Clean spaces for 30st variable

Clean spaces for 31st variable

Clean spaces for 32st variable

Remove all row or column with na or space