Experimental Study on Pressure Characteristics of the Wirework Filter during Beginning Period

金属 丝网过滤器过滤初期阶段压力特性的研究

Development and Application on Zooming Form of Wirework in Mugua Coal Mine

木瓜煤矿 导线电算表的开发与应用

Expounds the methods that establishes computational table of wirework of theodolite in underground by using EXCEL spreadsheet and the results of usage of underground survey in the coal mine there is certain certain value of popularization .

阐述了利用EXCEL电子表格创建井下 经纬仪 导线计算表的方法及在矿山井下测量中的使用效果，有一定的推广价值。