名词
中文翻译：Unknown
同义词：
['heavy-duty excavation', 'heavy-lift excavation']
例句：
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1. The constructioncrew is working on a heavy-duty excavation project.
施工队正在从事一项重型挖掘项目。
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2. Theheavy-duty excavator can handle the taskof heavy-duty excavation.
这种重型挖掘机能够完成重型挖掘任务。
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3. The heavy-duty excavation equipment is essential for this construction site.
重型挖掘设备对于这个建筑工地来说至关重要。