1 cov khoom siv: cov khoom siv slurry twj impeller thiab volute, xws li cov khoom siv elastic xws li roj hmab, neoprene, polyurethane resin, feem ntau siv rau lub sijhawm ntawm lub impeller qhov hluav taws xob tshaj tawm qis dua 23 m / s, uas tuaj yeem txhim kho lub twj tso kua mis NPSH zoo.2 cov khoom siv rau kev cuam tshuam ntawm c...
Nyeem ntxiv