答案:A
A. (A)PGD
B. (B)PUD
C. (C)CHF
D. (D)BMF
A. (A)4725r/min
B. (B)4726r/min
C. (C)4727r/min
D. (D)4728r/min
A. (A)135mA
B. (B)140mA
C. (C)145mA
D. (D)150mA