词汇	sport ventilation volume
释义	sport ventilation volume 运动通气量
随便看	operationalspeed operational speed operation al speed operational speed of a computer Operational speed of train operational sphericity operational stability operational staff operational staff study operational stage operational standard operational standard cost operational standardization operational standards operational standby program operational stand-by program operational standby programme Operational Standoff Range operational state operational statement Operational Status Indicator operational status recording subsystem Operational Status Release Operational Status Report operational stock