名词
中文翻译：交叉盒
同义词：
['crossbar', 'cross-bar', 'cross-box', 'cross-piece例句：1. The carpenter used a cross bar to support the roof.（木匠用一根交叉杆支撑屋顶。）']
例句：
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1. The carpenter used a cross bar to support the roof.
木匠用一根交叉杆支撑屋顶。
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2. The construction workers used cross-bars to reinforce the beams.
建筑工人用交叉杆加固梁。
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3.The engineer designed a cross-bar system for the bridge.
工程师为桥梁设计了交叉杆系统。