Unverified90% confidenceDecision RuleTime unknown
冷冻面团储存温度需≤-18℃且保持稳定，反复解冻会导致淀粉老化和析冰，表面出现干裂发白（冻伤）说明经历过温度波动，蒸后易开裂发硬，购买时检查包装内有无大量冰霜结晶
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