题目内容

A1000PA
B3000PA
C5000PA
D10000PA

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A1.2mm
B0.12mm
C0.012mm
D0.0012mm

A24℃
B28℃
C30℃
D45℃

A3m
B6m
C12.5m
D25m

A1.0-1.5m
B1.5-2.5m
C3.5-4m
D4.0-5.5m