回柱 meaning in English
prop pulling
prop taking
Examples
- Prop drawing winch
回柱绞车 - Abstract : that the prevention measures are not enough at the prop - drawing operation in the stope is analysed at this paper , and the structure and the site application effect of dth push - protecter are introduced
文摘:分析了回采工作面回柱放顶作业中防护措施的不足，介绍了dth推护器的结构和现场应用效果。 - Directing to the questions of neglecting safety and brutal construction in blasting mining , regulats the optimum space and time position of prop supporting and drawing from theory and practice
针对炮采工作面中工人在具体操作时忽视安全、野蛮施工等问题，从理论和实践两方面，规范炮采面支柱和回柱两个工艺空间和时间的最佳设置，确保工作面安全生产。 - Abstract : directing to the questions of neglecting safety and brutal construction in blasting mining , regulats the optimum space and time position of prop supporting and drawing from theory and practice
文摘:针对炮采工作面中工人在具体操作时忽视安全、野蛮施工等问题，从理论和实践两方面，规范炮采面支柱和回柱两个工艺空间和时间的最佳设置，确保工作面安全生产。 - Main product of this company includes more than 200 varieties and more than series such as mine shaft hoisting machine series , mine hoist series , dispatch hoist series , prop - pulling hoist series , building hoist series , flight conveyor series , heavy - load gear reducer series and electric equipment
公司主要产品有：矿井提升机系列，矿用提升绞车系列，调度、回柱绞车系列，建筑卷扬机系列，刮板输送机系列，重载减速机系列，电气控制设备等十几个系列近200多个规格品种的产品。