A.热惯性大 B.功耗大 C.测量误差较大 D.测头易老化
A.30m3/h B.60m3/h C.90m3/h D.120m3/h
A.15Pa B.20Pa C.25Pa D.30Pa
A.115.2Pa B.57.6Pa C.28.8Pa D.14.4Pa
A.10~20% B.20~25% C.25~30% D.30~40%
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