hydraulic feed drill

基本解释油压钻机

网络释义

1)hydraulic feed drill,油压钻机2)drilling machine hydraulic oil,钻机液压油3)diesel-hydraulic rig,柴油机-液压钻机4)rotary drill with oil pressure,油压转盘钻机5)hydraulic crawler drill,履带式油压钻机6)Drilling pressure of oil exploitation,油井钻压

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