名词短语
中文翻译：回填队
同义词：
['backfill crew', 'backfill team']
例句：
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1. The backfilling crew was responsiblefor the construction of the new road.
回填队负责修建新路。
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2. The backfilling team worked tirelessly to completethe project on time.
回填组努力工作，按时完成了项目。
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3. Thebackfilling crew wascalled in to fix the leaky pipe.
回填队被召来修理漏水的管道。