Site investigation drill and placer exploration drill have much in common.
工程勘察钻机和砂矿钻机之间具有许多共同之处。
Can effectively replace shallow of medium-sized core drill core sampling exploration work.
可以有效的替代中型岩芯钻机的浅层岩芯取样勘探工作。
Can effectively replace shallow of medium-sized core drill core sampling exploration work.
可以有效的替代中型岩芯钻机的浅层岩芯取样勘探工作。
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