名词
中文翻译：标准长度的栏杆
同义词：
['standard rail', 'standard bar例句：1. The construction workers were installing the standard length rails for the new bridge.（建筑工人正在安装新桥的标准长度栏杆。）']
例句：
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1. The construction workers were installing the standard length rails for the new bridge.
建筑工人正在安装新桥的标准长度栏杆。
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2.The standard length rails are designed to support the weight of the building.
标准长度的栏杆设计用来支撑建筑物的重量。
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3.The safety standards require that all railings be installed at a standard length.
安全标准要求所有栏杆都按照标准长度安装。