单词	Operculatae
释义	Operculatae 有盖地钱族
随便看	operational maintenance instruction Operational Maintenance Requirements Catalog operational maintenance support plan Operational Maintenance Test Plan Operational Maintenance Test Station Operational Maintenance Trainer operational level operational-level operational level agreement operational level of war operational-level systems Operation Alliance Joint Control Group operational library Operation Allied Force Operation Allied Force in Kosovo operational life operational life proof cycle operational life span operational lifetime operational life time operational light operational limit operational limit diagram operational limits operational limits and conditions