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

1.介绍了清净管体设计与制造方法,并阐述了具工过程。

2.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.

2.磷酸生产中输送稀磷酸澄清槽淤浆泵,各厂运行情况都不够理想。