【单选题】【消耗次数：1】
安全帽、呼吸器、绝缘手套等安全性能要求高、易损耗的劳动防护用品，应当按照有效防护功能最低指标和有效使用期，到期强制（ ）。
①
维修
②
更换
③
报废
④
保养
参考答案：
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