IHI280石川岛轮胎吊的发电机和始动机规格是多少？
参考答案：
发电机是24V、35A，始动机是24V、5.5KW。
I don't remember where _____ in that city when he was young? [ ]
A. did he work
B. he work
C. he has worked
D. he worked
各个生产中段（水平）和各个采场必须要有（）个能上、下人的安全出口与直达地表的出口相通。
A.1
B.2
C.3
