名词中文翻译
中文翻译：下构件
同义词：
['substructure', 'lower part例句：1. The engineer designed the new car with a lower member that could be easily removed for repairs.（工程师设计了这款新车，其下构件可以轻松拆卸进行维修。）']
例句：
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1. The engineer designed the new car with a lower member that could be easily removed for repairs.
工程师设计了这款新车，其下构件可以轻松拆卸进行维修。
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2.The lower member of the bridge is made of steel and supports the upper structure.
这座桥的下构件是由钢制成的，它支撑着上部结构。
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3. The lower member of the machine is where the gears are located.
这台机器的下构件是齿轮所在的位置。