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采煤塌陷区水资源环境调查与评价方法
参考页数:12
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露天煤矿边坡稳定性年度评价技术规范
参考页数:21
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风筒漏风率和风阻的测定方法
Determination of leakage rate and specific resistance for air duct
参考页数:11
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固定式液压碎石机
Fixed hydraulic rockbreaker
参考页数:11P.;A4
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井下煤矿用可移动式硬体救生舱
Mobile steel refuge chamber for underground coal mines
参考页数:32P.;A4
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矿用非谐振式输送机
Mining non-resonance vibrating conveyor
参考页数:8P.;A4
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石材矿山开采设备 二维可移动圆盘式锯切机
Mining equipment for quarry.Two-dimensional and movable disk sawing machine
参考页数:11P.;A4
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石材矿山开采设备 金刚石串珠锯
Mining equipment for quarry.Diamond wire sawing machines
参考页数:11P.;A4
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