water well drilling rig
水井钻机
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hydrology and water well drilling
水文水井钻探
inland water drilling rig
内岩心筒
Water Well Drilling
水文水井钻探
水井钻探
water well rig SPS-600
SPS-600型水井钻机
coal well water bursting
矿井突水
deep Water drilling
深水钻井
deep water drilling fluid
深水钻井液
Deep Water Well
深水井
deep well water
深层地下水
深井水
deep well water pump
深井水泵
digital records of well water level
数字化水位记录
discharge of drilling water
回水排放
drinking water well fields
饮用水水源地
horizontal water well
水平水井
horizontal well water injection
水平井注水技术
horizontal well water plugging
水平井堵水
Hot water well
热水
Hot water well in Xi′an Film studio
西影热水井
hydro-geological and water well
水文水井
Injecting Water Well
注水井
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