名词
中文翻译：支点千斤顶同义词
同义词：
['pivot jack', 'fulcrum lift', 'jacking rig']
例句：
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1. The engineer used a fulcrum jack to lift the heavy machine off the ground.
工程师使用支点千斤顶将重机器从地面抬起。
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2. The construction workers used fulcrum jacks to move the beams into place.
建筑工人使用支点千斤顶将梁移动到位。
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3. The fulcrum jack was essential for the successful installation of the new roof.
支点千斤顶对于新屋顶的成功安装至关重要。