单项选择题
A.288B.240C.168D.216
A.1500MJ2/m2B.1200MJ2/m2C.1000MJ2/m2D.1800MJ2/m2
A.3B.5C.7D.2
A.110±5℃B.110±10℃C.130±5℃D.130±10℃
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