求翻译：介绍了煤矿机械设备中轴类零件的概况，分析了轴类零件的维修特点，及其零件的拆卸、检查、修复等事项，可对煤矿企业机械设备维修有所借鉴。是什么意思？

An overview of the shaft parts in the coal mine machinery and equipment, and maintenance characteristics of the shaft parts, and parts thereof, disassembly, inspection, repair, and other matters, may be a reference for the coal mining enterprises machinery and equipment maintenance.

正在翻译，请等待...

Introduced the coal mine mechanical device middle axle class components survey, has analyzed the axis class components service characteristic, and items and so on components disassemblage, inspection, repair, may have the model to the coal mine enterprise mechanical device service.

Introduction overview of shaft in coal mine machinery and equipment, analysis of shaft parts maintenance characteristics, and part of disassembly, inspection, repair, and other matters, on coal mine machinery and equipment repair experience.

正在翻译，请等待...