相对于单喷嘴射流器，四喷嘴射流器的流量比和效率随压力比的变化显著；

Compared with the single-nozzle jet aerator, the variations of the entrainment ratio and efficiency with pressure ratio for quad-nozzle jet aerator are remarkable.

youdao

相对于单喷嘴射流器，四喷嘴射流器的流量比和效率随压力比的变化显著；

Compared with the single-nozzle jet aerator, the variations of the entrainment ratio and efficiency with pressure ratio for quad-nozzle jet aerator are remarkable.

youdao