单项选择题
Which one is NOT the ‘clear grounds’ for a more detailed inspection?（）
A.no operation procedures for the oil separators B.engine log book missing C.the master and the chief engineer are unable to communicate effectively D.absence of an up-date muster list
单项选择题 Which one is NOT the ‘clear grounds’ for a more detailed inspection?（）
单项选择题 Which one is the ‘clear grounds’ for a more detailed inspection?（）
