A.40mm;170mm
B.40mm;160mm
C.30mm;170mm
D.30mm;160mm
第4题
A.0.1MPa;0.01MPa
B.0.01MPa;0.1MPa
C.0.01MPa;0.01MPa
D.0.1MPa;0.1MPa
第6题
A.10%~80%
B.20%~80%
C.10%~90%
D.20%~90%
第9题
A.10min~20min;相反
B.10min~20min;相同
C.10min;相反
D.20min;相同
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