dril
- n.钻孔;德里尔
dril-
Research of AC electronic load based on electric drilling dril
基于电驱动钻机的交流电子负载的研究
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Design on the monitor system for no - tillage dril
免耕播种机播种的工况监测系统设计
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Research on the new way to machine the square-surface twist dril on NC machining center
在数控加工中心上实现二次曲面钻头的成形加工
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Summarizing the anti-clamping bit system of a full hydraulic drifter dril
全液压凿岩钻车防卡钎系统概况
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Chip-Breaking Method in Vibratory Dril - ling Hard-to-Cut Materials
振动钻难加工材料断屑法
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24-row fertilizer and seed dril
二十四行施肥播种机
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Pneumatically-operated grass seed dril
气动操纵式草子播种机