单项选择题
气调贮藏葡萄的气体指标为()
A.O2:3%~5%,CO2:1%~3%
B.O2:0.8%~2%,CO2:3%~8%
C.O2:2%~3%,CO2:3%~5%
D.O2:2%~3%,CO2:5%~7%
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单项选择题
A.O2:3%~5%,CO2:1%~3%
B.O2:0.8%~2%,CO2:3%~8%
C.O2:2%~3%,CO2:3%~5%
D.O2:2%~3%,CO2:5%~7%
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