經營管理和維護 jīng yíng guǎn lǐ hé wéi hù

DEFINITIONS

  1. Operations Administration and Maintenance
  2. OAM

CHARACTERS

經 jīng classic works; pass through
營 yíng encampment, barracks; manage
管 guǎn
HSK 4
pipe, tube, duct; woodwind music
理 lǐ
HSK 3
reason, logic; manage
和 hé
HSK 1
harmony, peace; peaceful, calm
維 wéi maintain, preserve, safeguard
護 hù protect, guard, defend, shelter