名词
中文翻译：滚筒式岩石钻头
同义词：
['roller drill', 'roller bit例句：1. The engineer used a roller-type rock bit to bore a hole in the rock.（工程师使用滚筒式岩石钻头在岩石中钻孔。）']
例句：
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1. The engineer used a roller-type rock bit to bore a hole in the rock.
工程师使用滚筒式岩石钻头在岩石中钻孔。
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2.The drilling company offered a roller-type rock bit for sale.
钻探公司出售滚筒式岩石钻头。
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3. The rock bit was designed to fit easily into the drill and remove rocks efficiently.
这种岩石钻头设计得可以很容易地放入钻机并有效地移除岩石。