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,各厂的运行情况都不够理想。
目录 查词历史