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Churn drill

查词链接:https://www.dute.org/dict/churn_drill复制链接
旋冲钻;舂钻;钻石机;石钻
查看英英释义
abstract:
The churn drill is a large drilling machine that bores large diameter holes in the ground. In mining, they were used to drill into the soft carbonate rocks of lead and zinc hosted regions to extract bulk samples of the ore.

网络释义
冲击钻
churn drill 冲击钻; 掸击钻; 钢丝绳冲击式钻机; 钢丝绳钻机; 绳式顿钻钻机; 旋冲钻; 舂钻机..
钢丝绳钻机
... churchite 水磷铈矿 churn drill 钢丝绳钻机 churn drilling method 冲魂井方法 ...
旋冲钻
... firmer chisel 扁錾,平錾 凿,铲,冲击钻头 churn drill 旋冲钻; 顿钻 reciprocating drill 冲击钻 ...
顿钻
... firmer chisel 扁錾,平錾 凿,铲,冲击钻头 churn drill 旋冲钻; 顿钻 reciprocating drill 冲击钻 ...
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