operational light的相關資料：
臨近單詞
operational mile
operational
Operational Teletype Communications Subsystem
operational effectiveness evaluation analysis
Operational dimension calculation by computer
Operational Maneuvering Reentry Vehicle Study
Operational Reentry Systems Evaluation Program
operational radiation instrumentation equipment
Operational Intelligence Collection Requirement
operational activities/costs/difficulties
Operational Research and Analysis Establishment
Operational Readiness Inspection Training Group
