名词中文翻译
中文翻译：肘部线
同义词：
['knuckle joint', 'elbow joint']
例句：
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1.The carpenter used a knuckle line to attach the wooden planks together.
木匠用肘部线将木板连接在一起。
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2.The artist applied a knuckle line to the canvas to create a smooth transition between colors.
艺术家在画布上应用肘部线，以实现颜色之间的平滑过渡。
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3. The engineer used a knuckle line to calculate the stress in the beam under load.
工程师使用肘部线来计算梁在负载下的压力。