Omc
abbr. 操作维护中心（Operation and Maintenance Center）
🗣️ 情景例句
I remember when I was pregnant with Richard.
我记得当我怀着Richard时，
Do you often do work during the holidays?
你常常在假日期间做工作吗？
The machines will not operate properly.
那些机器不能正常运转。