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DB30 multifunctional drilling rig
DB30 multifunctional drilling rig

DB30多功能鸿利彩票利用变频控制技术结合机械传动实现自动化钻进□□□。该鸿利彩票是在我公司XY-8B鸿利彩票的基础上☆☆☆,广泛吸收、借鉴国内石油鸿利彩票成熟技

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DB3000 electric drilling rig
DB3000 electric drilling rig

转盘特点:■■■采用石油ZP-175转盘☆☆☆,可以无极调速☆☆☆,可以设置额定转矩□□□。 转盘惯刹:■■■转盘配置气动惯性刹车☆☆☆,防止转盘惯性旋转和钻杆反作用力

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DB-3200 drilling rig
DB-3200 drilling rig

DB3200 Electric drive drilling rig DB3200 multifunction drilling rig is a new model of electric drilling rig which is independently researched and developed by Hebei Yongming has th

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