expendvt.花费；消耗Expendable Recoverable Sound Projector使用后可回收的测深发射器expendable through-tubing perforator消毁式过油管射孔器Expends the Question Excessively Ponder过度消费问题的思考expended granular sludge blanket reactor膨胀颗粒污泥床反应器Expendable Submarine Tactical Transceiver一次性潜艇战术无线电收发信机Expendable Reliable Acoustic Path Sonobuoy一次性使用的可靠声路声呐浮标Expendable Cluster Aircraft Rocket Launcher一次使用的集束式机载火箭发器Expendable Remote Operating Weather Station投放式遥控气象站Expendable Computerized Automatic Test System消耗性微机自动测试系统