With microcomputer, a automatic measuring system of blastvolume for the bursting gas pool in sewage treatment was built.
将微型计算机应用于污水处理过程中，构成一个曝气池鼓风量自动监测系统。
2
During lowering charge level with water spraying into the blast furnace, the gas is recovered and the charge level is judged by the blastvolume not by special stock rod.
操作时采用空料线法(从炉顶打水)，回收高炉煤气，不安装特殊探尺，用风量判断料面行程。
3
You can play soft background music or blast it out at high volume for hours.