名词短语
中文翻译：部分直线化
同义词：
['sectional straightening', 'sectional smoothing']
例句：
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1. The engineer used a laser to section straighten the metal.
工程师使用激光来对金属进行部分直线化。
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2. During the construction phase, sections of the road were straightened by heavy machinery.
在施工阶段，道路的部分路段被重型机械直线化。
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3. The process of section straightening is crucial for maintaining the structural integrity of the bridge.
部分直线化的过程对于保持桥梁的结构完整性至关重要。