1.The operation of the slurry pumps for transferr in g sludge in the dilute phosphoric acid defecator in the phosphoric acid producti on is mostly not satisfactory.
磷酸生产中输送稀磷酸澄清槽淤渣的泥浆泵,各厂的运都不够理。
2.Design and manufacture methods of injection mold for the defecator body were introduced,and working process of mold was stated.