问题详情

Oil pressure in the lubrication system is () the static sea water head to ensure that sea water () the stem-tube.


A、lower than;can lubricate

B、lower than;can cool

C、higher than;can enter

D、higher than ;cannot enter

时间:2022-01-05 09:20 关键词: 船舶动力装置 海船船员考试

答案解析

D