高压离心通风机,其压力范围在( )kPa。A.2.94~14.7 B.5~1

练习题库2022-08-02  48

问题 高压离心通风机,其压力范围在(  )kPa。A.2.94~14.7B.5~15.7C.10~15.7D.12~20.7

选项 A.2.94~14.7
B.5~15.7
C.10~15.7
D.12~20.7

答案 A

解析
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