vacuum level meaning in English

真空能级

Vacuum levels are correctly maintained by the control of cake thickness
通过控制滤饼厚度维持正确的真空度。
The test set comprises a hand operated pneumatic folding pump , capable of supplying pressure or vacuum with analog dial gauges to indicate pressure / vacuum levels
整套测试仪包括一只手动折叠气泵，压力管或真空管，并带有显示器以显示压力/真空水平。
Controls . the modulating inlet valve provides a dual function . one , to protect site vacuum level and two , energy savings . both these functions translate into dollar savings
控制。调节进气系统提供两大功能：其一，维持系统真空度；其二，节能，为您节省运行费用。