Unverified50% confidenceDecision RuleTime unknown
硅胶干燥剂可在120~150℃烘烤2~3小时后重复使用，变色硅胶（蓝变粉或橙变绿）能直观判断饱和；氯化钙型吸湿后液化无法再生，属一次性消耗品
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