问题详情

The lubricating system for the cylinder walls is different from the bearings in that the oil for former one is supplied in () while that for latter one is ().


A、sufficient quantity; measured

B、measured quantity;sufficient

C、excessive quantity;sufficient

D、the less quantity the better;the more the better

时间:2022-01-05 21:59 关键词: 船舶动力装置 海船船员考试

答案解析

B