名词
中文翻译：扶梯式挖掘机
同义词：
['tram', 'escalator excavator']
例句：
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1.The construction site was equipped with a variety of trestle excavators to facilitate the work.
施工现场配备了各种扶梯式挖掘机以便于工作。
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2. The engineer used a trestle excavator to dig a deep hole for the foundation.
工程师使用一台扶梯式挖掘机挖了一个深洞作为地基。
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3. The trestle excavator was designed to be lightweight and easy to maneuver, makingit ideal for small-scale construction projects.
扶梯式挖掘机设计轻便且易于操控，非常适合小规模建筑项目。