名词
中文翻译：角度部分
同义词：
['section', 'angle', 'segment例句：1. The engineer used a laser to cut the metal into an accurate angle section.（工程师使用激光将金属切割成精确的角形截面。）']
例句：
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1. The engineer used a laser to cut the metal into an accurate angle section.
工程师使用激光将金属切割成精确的角形截面。
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2.The carpenter carefully measured and marked the angle section before cutting it.
木匠仔细测量并标记了要切割的角形截面。
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3.The scientist conducted experiments to study the mechanical properties of different angle sections.
科学家进行实验研究不同角度截面的机械性质。