Which of the fuel injection systems listed uses a spring loaded differential spray needle valve and individual pump for each cylinder?()
为了保证船舶航行安全,首先要确定船舶的航向与位置。船舶定位方法按照参照目标可分为( )。
下列关于船舶安全检查的说法中,正确的是()。
Ⅰ、船舶接受安全检查时,陪同检查的船员引导检查人员即可
Ⅱ、船舶接受安全检查时,陪同检查的船员应按检查人员要求,调试、操纵有关设备
Ⅲ、中国籍船舶接受安全检查时出示船舶安全检查记录簿
Which of the following operations need to be entered on the Oil Record Book Part I? ()
(1) Ballast of fuel oil tanks
(2) Condition of oil discharge monitoring and control system
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