Aluminum, which weighs about 169 pounds per cubic foot, could theoretically be substituted for copper.
铝，重约169磅每立方英尺，理论上可以替代铜。
Approximately 2 to 3 pounds of meat may be packed per cubic foot of freezer space.
制冷空间中每立方英尺可储存包装好的约2 ~3磅的进一步的加工肉。
Approximately 2 to 3 pounds of meat may be packed per cubic foot of freezer space.
制冷空间中每立方英尺可储存包装好的约2 ~3磅的进一步的加工肉。
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