impeller type bleacher是什么意思

用法例句

The aeration experiment of black-odor river was conducted by the use of three aerator equipments, such as paddlewheel aerator, impeller aerator and injector aerator.

利用叶轮式曝气机、水车式曝气机、射流式曝气机等3种不同曝气方式的曝气设备进行了黑臭河涌曝气试验。

The method can be applied to the design of centrifugal compressor and mixed flow compressor blades and vaned diffusers.

发展了一套径流及斜流式叶轮机的任意曲面叶型长短叶片的造型方法,并在离心式压气机和斜流式压气机的设计中做了具体的应用。