hydraulic drill rig hydro-drill jumbo的意思|示意
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液压钻机
hydraulic drill rig hydro-drill jumbo的网络常见释义
液压钻 ...er drilling Jumbo 履带式液压掘进钻车 all-hydraulic rock-drilling jumbo 全液压钻车 hydraulic drill rig hydro-drill jumbo 液压钻 ..