名词
中文翻译：针调节器
同义词：
['needle threader', 'needle threading device']
例句：
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1. The needle adjuster on the sewing machine is very useful for precise stitching.
缝纫机上的针调节器非常有助于精确的缝制。
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2.The needle adjuster on the camera can be used to fine-tune the focus.
相机上的针调节器可以用来微调焦点。
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3.The needle adjuster on the hair dryer helps to evenly distribute heat and prevent damage to the hair.
吹风机上的针调节器有助于均匀加热并防止对头发的伤害。