名词中文翻译
中文翻译：无人驾驶挖掘机
同义词：
['unmanned machine', 'unmanned vehicle', 'unmanned aerial vehicle (UAV)', 'remotely operated vehicle (ROV)']
例句：
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1. The construction crew used an unmanned excavator to dig the foundation for the new building.
建筑队使用无人驾驶挖掘机为新建筑挖掘地基。
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2. The unmanned excavator was able to complete the job in half the time it would have taken with a humanoperator.
无人驾驶挖掘机能够在没有人类操作员的情况下完成这项工作，所需时间仅为有人类操作员的两倍。
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3.The unmanned excavator was equipped with advanced sensors that allowed it to navigate through complex terrain without any issues.
无人驾驶挖掘机配备了先进的传感器，使其能够在任何复杂地形中无障碍导航。