[单选题]单轨吊机车额定转速是()R/MIN。A . 3300B . 4300C . 2300D . 1300
[单选题]单轨吊柴油机额定转速为()转/分。A .1500B .2300C .900D .2000
[单选题]励磁机的额定转速为()r/min.A . 2800r/minB . 1100r/minC . 500r/minD . 3000r/min
[判断题] 牵引电机的额定转速为1708R/MIN。A . 正确B . 错误
[单选题]兆欧表的额定转速为()r/min。A .80B .100C .120D .150
[单选题]风泵电机冷态额定负载转速约为()r/min。A .1500B .1420C .1550D .1560
[单选题]兆欧表的额定转速为()r/min。A.80B.100C.120D.150
[单选题]兆欧表的额定转速为()r/min。A.80B.100C.120D.150
[单选题]兆欧表的额定转速为()r/min。A.80B.100C.120D.150
[单选题]兆欧表的额定转速为()r/min。A.80B.100C.120D.150