impeller pump造句怎么写

An in vivo evaluation of left ventricular assist with a self-made impeller pump was performed in calves.

From the performance perspective, the type of impeller and the general efficiency closed impeller or less the same, but the type of impeller pump head curve dropped more.

In the1980's the6100series of heavy duty recessed impeller pumps was developed to serve aggressive in-plant applications such as sludge and grit.