名词
中文翻译：杯头螺栓
同义词：
['cup-headed bolt', 'cup-headed screw']
例句：
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1.The carpenter used a cup-headed bolt to secure the wooden frame.
木匠用一个杯头螺栓来固定木框。
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2.The construction workers used cup-headed bolts to fasten the wooden beams together.
建筑工人用杯头螺栓将木梁连接在一起。
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3. The engineer carefully measured and installed the cup-headed bolts for the new bridge.
工程师仔细测量并安装了新桥的杯头螺栓。