名词
中文翻译：打桩机和挖土机
同义词：
['pile driver', 'piledriver machine', 'piling machine', 'excavator']
例句：
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1. Theconstruction crew used a tenoning andtrenching machine to level the groundfor the new road.
施工队使用打桩机和挖土机平整了新路的地面。
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2. The engineer was impressedby the efficiency of the tenoningand trenching machine in removing largerocks.
工程师对打桩机和挖土机在移除大岩石方面的效率印象深刻。
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3. The tenoning and trenching machine is essential for clearing thepath for the construction workers.
打桩机和挖土机对于为建筑工人开辟道路至关重要。