名词
中文翻译：Unknown
同义词：
['roof bolt drill', 'roof screw drill', 'roof screw driller']
例句：
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1. We needto drill a hole in the roof for the new roof tiles.
我们需要在屋顶上钻孔，以便安装新的瓦片。
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2.The roof-bolt drill is essential for fixing the roof.
屋顶螺栓钻对于固定屋顶至关重要。
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3. The roof-bolt drill was used to remove the old roof tiles.
使用屋顶螺栓钻来移除旧的瓦片。