名词
中文翻译：平头反沉螺栓
同义词：
['flat-headed bolt', 'counter-sunk bolt']
例句：
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1.The engineer used a flat-headed counter-sunk bolt to secure the roof.
工程师用一个平头反沉螺栓来固定屋顶。
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2. The construction crew needed a flat-headed counter-sunk bolt for the new bridge.
建筑工人需要一种平头反沉螺栓来建造新桥。
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3. The carpenter used a flat-headed counter-sunk bolt to fasten the wooden planks together.
木匠使用一种平头反沉螺栓将木板材牢固地连接在一起。