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分析手提式挖坑机在石质山地整地作业中的生产率、年计算费用,投资回收期、单穴成本等指标,论证了该项技术在石质山地使用的经济效果.
The productivity, annual calculation cost, payback period, single hole cost and other indicators of portable digging machine in stony mountainous land leveling operation are analyzed to demonstrate the economic effect of this technology in stony mountainous area.