A.5500~6000Pa B.6500~7000Pa C.7500~800

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问题 A.5500~6000PaB.6500~7000PaC.7500~8000PaD.9500~10000Pa

选项 A.5500~6000Pa
B.6500~7000Pa
C.7500~8000Pa
D.9500~10000Pa

答案 B

解析
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