单项选择题
A.隔爆型笼型感应电动机 B.正压型直流电动机 C.无火花型绕线型感应电动机 D.增安型同步电动机
A.98.32% B.98.52% C.98.78% D.98.96%
A.800kW B.850kW C.900kW D.950kW
A.740kW B.790kW C.812kW D.850kW
A.99.32% B.99.01% C.98.98% D.98.52%
A.0.41% B.0.44% C.0.49% D.0.56%
A.0.394 B.0.406 C.0.541 D.0.693
A.47 B.96 C.139 D.179
A.157 B.196 C.202 D.250
A.72kW B.75kW C.83kW D.89kW
A.102 B.111 C.150 D.160