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矿用钻孔陀螺测斜仪
Diretical gyro-clinometer in coal mine
价格：￥0.00
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液压式天井钻机
Hydraulic dooryard drilling machine
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矿用除尘器通用技术条件
Universal technical specification for dust collection enginery for mine
价格：￥0.00
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转子式混凝土喷射机
Rotor concrete spraying machine
价格：￥0.00
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煤矿用单体液压锚杆钻机
Single hydraulic bolting machine in coal mine
价格：￥0.00
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转盘式竖井钻机
Rotarytable shaft drilling machine
价格：￥0.00
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