The volume of scheduled flights is straining the air traffic control system.
定期航班的数量使空中交通控制系统受到压力。
《柯林斯英汉双解大词典》
2
Watch your volumecontrol around the office.
在办公室要注意控制你的音量。
3
They are aimed at either cleaning the water in the primary system, providing separate shutdown cooling functions, water chemistry, charging and volumecontrol, makeup water.