词汇	乐龙
释义	乐龙 RaLc
随便看	operational approach operational architecture operational area Operational Area Evaluation operational art operational aspect operational assembly operational assistance Operational AssistantOA operational attribute operational attributes operational attrition operational attrition c operational audit operational auditing Operational Audits operational authority operational autopilot operational availability Operational Availability Data operational available data Operational Balances operational base Operational Base Facility Operational Base Launch