以柱靴为研究对象，探讨了工程塑料在煤矿井下应用的问题。
Application of the engineering plastics under the well of coal mine was explored with column base as the study object.
这种柱靴制品的开发成功，为工程塑料在煤矿井下应用奠定了一个良好基础。
The column bases can be successfully used under the well of coal mine, it will lay a good foundations for using the engineering...
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