Unverified75% confidenceTradeoffTime unknown
桶壁厚度权衡：厚壁（≥2mm）耐磕碰抗变形、隔温好，但自重大搬运费力；薄壁轻便但堆叠承重差、易被虫咬穿，长期存粮优先厚壁
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75%
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Long-term
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