名词
中文翻译：隧道机
同义词：
['tunneling machine', 'tunnel excavator例句：1. The tunnel machine is used to dig through the rocky terrain.（隧道机用于穿过岩石地形。）2. The tunnel machine is essential for the construction of underground passages.（隧道机对于建造地下通道至关重要。）']
例句：
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1. The tunnel machine is used to dig through the rocky terrain.
隧道机用于穿过岩石地形。
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2. The tunnel machine is essential for the construction of underground passages.
隧道机对于建造地下通道至关重要。
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3.The tunnel machine has greatly improved the efficiency of tunneling operations.
隧道机大大提高了隧道作业的效率。