单项选择题X 纠错
A.1350℃ B.1250℃ C.1150℃ D.1050℃
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单项选择题
A.50.0% B.60.0% C.70.0% D.80.0%
A.50% B.60% C.70% D.80%
A.14.00%,18.00% B.15.00%,18.00% C.17.00%,24.00% D.18.00%,24.00%
A.2.0% B.3.0% C.4.0% D.5.0%
A.14% B.16% C.18% D.20%
A.1.00%,0.70% B.1.50%,1.00% C.1.50%,0.70% D.0.50%,0.30%
A.10.00% B.9.50% C.12.00% D.9.00%
A.10.00% B.12.50% C.13.00% D.15.00%
A.40 B.60 C.80 D.100
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