Unverified80% confidenceCautionTime unknown
外耳道细小者慎选标准圆柱泡棉，膨胀后易过度撑胀致痛，应选带尺寸分级（S号）或细杆款的产品
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Unverified耳道细小者不建议买标准尺寸海绵塞，膨胀后过度撑压耳道会疼痛且易滑出，应选带S/M/L多尺寸耳翼的硅胶塞或专门的小耳道款88% similarUnverified耳道偏细者选膨胀直径小（子弹型/锥形）的型号，圆柱形发泡塞塞不进易造成胀痛；耳道大则相反，选膨胀充分的圆柱型密封更好88% similarUnverified耳道细窄或戴普通塞疼痛者不要盲目追高NRR的大尺寸海绵塞，应选儿童/小号尺寸或蜡质可塑塞，否则撑胀耳道导致头痛和外耳道损伤88% similarUnverified耳道窄小或长期佩戴易胀痛者不建议买入耳深、腔体大的重度降噪旗舰，可选半入耳或浅入耳设计，牺牲部分被动隔音换舒适度88% similarUnverified耳道细窄者（多见于女性）应选直径较小的regular/small规格，塞标准海绵耳塞会撑胀疼痛且无法完全展开导致漏音87% similar
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