名词
中文翻译:环形螺纹
同义词:
['annular', 'circumferential', 'rounding']
例句:
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1.The machine has annular knurls on its handles for easy grip.
这台机器的手柄上有环形螺纹,便于握持。
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2. The car's wheels have annular knurls to provide better traction.
汽车的轮胎有环形螺纹,以提供更好的抓地力。
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3. The tool has a smooth surface with annular knurls for easy gripping.
这个工具的表面光滑,带有环形螺纹,便于握持。