Precision drilling facilitates efficient oxygen transfer and utilization: Different drilling modes can be used to adjust the working pressure, such as different slit lengths, distances, and drilling d

According to the aerobic status of the participating microorganisms, biological treatment can be divided into two categories: aerobic method and anaerobic method. Generally, aerobic method is more sui

The aerator and all accessories in its original package shall be stored in a dry and ventilated room according to DIN 7716 or ISO 2230.