Design and manufacture methods of injection mold for the defecator body were introduced,and working process of mold was stated.

介绍了清净管体注射模的设计与制法,并阐述了模具的工过程。

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.

酸生产中输酸澄清槽淤渣的泥浆泵,各厂的运行情况都不够理想。