名词
中文翻译：中心杆
同义词：
['centralrod', 'central shaft']
例句：
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1. The centre rod of the machineis crucial for its operation.
机器的中心杆对于其运行至关重要。
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2. The engineer carefully adjusted thecentre rod to ensure smooth movement.
工程师仔细调整了中心杆，以确保运动顺畅。
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3. Theconstruction crew had to remove the centre rodbefore they could start work on the newbuilding.
在开始建造新建筑之前，施工队必须拆除中心杆。