（）of the following need NOT be entered in the Official Logbook（）.<br>A:The testing of the internal combustion engine driven emergency generators at least once each month the vessel is navigated<br>B:The testing of storage batteries for emergency lighting and power systems once each 6 months the vessel is navigated<br>C:The actual draft when the vessel arrives in salt water after departing a port<br>D:The testing of the line-throwing appliance once every 3 months

（）of the following need NOT be entered in the Official Logbook（）.
A:The testing of the internal combustion engine driven emergency generators at least once each month the vessel is navigated
B:The testing of storage batteries for emergency lighting and power systems once each 6 months the vessel is navigated
C:The actual draft when the vessel arrives in salt water after departing a port
D:The testing of the line-throwing appliance once every 3 months

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:【10244552】个 (题库试题定时更新)