名词
中文翻译：Unknown
同义词：
['crane girder', 'crane beam', 'crane girder例句：1. The crane girder is essential for lifting heavy loads.（起重机轨道梁对于搬运重物至关重要。）']
例句：
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1. The crane girder is essential for lifting heavy loads.
起重机轨道梁对于搬运重物至关重要。
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2.The crane girder was damaged during the construction site accident.
在工地事故中，起重机轨道梁受损了。
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3.The crane girder was used to support the new bridge.
起重机轨道梁被用来支撑新桥。