When a user clicks and drags with the tool on the drawing area, the tool does its thing.
当用户在画图区域使用工具单击并拖动时,工具就执行操作。
Apply to all process which out-layer and thick panel, especially used for not to touch drawing area process.
适合于外层、厚板制程,特别适用于不需接触成型区的制程。
The system is suitable for ore-drawing management of high level and large drawing area of block caving system.
该系统适合于大规模、高阶段矿块崩落法放矿生产管理。
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