The working principle and the structure feature of rotary drum drier, and the way how to adjust axial displacement in service procedure are introduced.
介绍转筒干燥机的工作原理，结构特点及检修过程中轴向窜动的调整方法。
The Structure, Feature and Working Procedure of the newly developed ES-2001 type inspection management system for safety production used to oil extraction team are introduced.
介绍了新开发的ES - 2001采油队安全生产巡检管理系统的系统构成和特点及巡检工作过程。
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