名词
中文翻译：旋转梁
同义词：
['rotating beam', 'rotating rod']
例句：
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1.The machine uses a rotary beam to rotate the workpiece.
这台机器使用一个旋转杆来转动工件。
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2. The beam is used to support the roof of the building.
这个梁用来支撑建筑物的屋顶。
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3. The beam was designed to withstand heavy loads.
这个梁被设计来承受重负载。