Main engines as well as auxiliary engines operating on heavy fuel should have continuous on the lubricating oil, either according to the bypass or batch principles（）<br>A:filtering<br>B:centrifuging<br>C:depositing<br>D:operating

Main engines as well as auxiliary engines operating on heavy fuel should have continuous on the lubricating oil, either according to the bypass or batch principles（）
A:filtering
B:centrifuging
C:depositing
D:operating

出自：海船船员证

提示：
同一【IP】的非会员用户每天可免费获取10次答案

收藏本站【zk.995w.com】，下次访问不迷路

本站试题总数:【10252937】个 (题库试题定时更新)