This article described the design, principle of the mini ion pump and its application in the pumpingprocess of X ray tube manufacture.
介绍微型溅射离子泵的结构、工作原理及其在X射线管制造中的应用。
2
In the pumpingprocess, if water levels continue to decline, we should pay attention not to let the exposed surface of the water running submersible pump.
在抽水过程中，若水位不断下降，要注意不要让潜水电泵露出水面运行。
3
In accordance with this problem, a new pump of small diameter with double barrel has been developed. Experimental study of the deep pumpingprocess has been conducted and attained a success.