单项选择题
A.850-12500 B.1400-13000 C.0-13000 D.1200-13000
A.850-8500 B.1400-8500 C.0-8500 D.1200-8500
A.850-12500 B.1400-11000 C.0-12500 D.1200-11000
A.342 B.343 C.341 D.340
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