单选题
1分
Large crosshead type engine generally has two lubrication systems, a function performed only by cran...
Large crosshead type engine generally has two lubrication systems, a function performed only by crankcase oil system is _______,
参考答案: B
参考解析: 注:大型十字头式柴油机通常有两路润滑系统,冷却功能是曲轴箱油系统所独有的。