导叶式离心泵diffuser: diffuser, diffusor n. ...centrifugal pump: 离心泵。 diffuser type centrifugal pump: 扩散器式离心泵; 扩散形离心泵diffuser pump: 导叶泵; 扩散泵; 叶轮泵pump diffuser: 泵扩散管下载手机词典可随时随地查词查翻译