螺杆泵特点有哪些?

来源:学生作业帮助网 编辑:作业帮 时间:2024/08/03 09:04:36
xUrFSR*-\ۀa6,lbݭӴW*-.{ns|z"B~Yga"M/,t~;|=:=9lYA[yyrN,LV?'k ̯S[UܯfVlhs[w1U qDE']WMȤ$Y4f&``C ]V#>)ψNhPxJ&Q8'D(6F@,,=ʼnC` <9XSɤR<2TB^h*zj y TъW@JDaGMoG*Aj/=)hdG)7<jֆ1ʯ_]A-~h ]Źѻv?-4ލyc*fH-i>Zii4]q'U9fۈ#љJܒXZ0eO691yâ)nP6~^qO\uvj-c፱,z<)GC./7<j&6mӠZVJ4QVb }v;HR]xwZНE*R#tuE|2xׂ$Ҥ5Bvvhҥ5 ⮎5"νmi'S8>P%~O~ʼ@H骪 ڢcjʸ^B#5oܷp(- ~h Z;Տ2~L|hC:ɋamȡ']A#,j@2Ggbu