答案:灭弧室
A. (A)责任
B. (B)后果
C. (C)原因
D. (D)性质
A. (A)0.33~0.38MPa
B. (B)0.34~0.38MPa
C. (C)0.35~0.38MPa
D. (D)0.36~0.38MPa
A. (A)4000mm
B. (B)4600mm
C. (C)4800mm
D. (D)5000mm
A. (A)5~10mA
B. (B)50mA
C. (C)500mA
D. (D)1A