名词
中文翻译：岩石锚定器
同义词：
['rock anchor', 'rock anchorer例句：1. The engineer used a rock bolter to secure the roof.（工程师使用岩石锚定器来固定屋顶。）']
例句：
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1. The engineer used a rock bolter to secure the roof.
工程师使用岩石锚定器来固定屋顶。
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2.The rock bolter was designed to withstand extreme weather conditions.
岩石锚定器设计用来承受极端天气条件。
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3. The rock bolter was an essential tool for the construction crew.
岩石锚定器是建筑工人必不可少的工具。