1) drilling character classification
![点击朗读](/dictall/images/read.gif)
可钻性进分级
2) classification of drilling possibility
![点击朗读](/dictall/images/read.gif)
可钻性分级
4) rock drillability
![点击朗读](/dictall/images/read.gif)
岩石可钻性级值
1.
Value model of rock drillability and its calculation;
![点击朗读](/dictall/images/read.gif)
岩石可钻性级值模型及计算
5) progressive scalable coding
![点击朗读](/dictall/images/read.gif)
渐进可分级编码
6) analysis of drilling characters
![点击朗读](/dictall/images/read.gif)
钻进特性分析
补充资料:冻土钻(见取土钻)
冻土钻(见取土钻)
dongtuzuan冻土钻见取土钻
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条