[单选] In some parts of the world there is often a slight fall in tide during the middle of the high water period. The effect is to create a longer period of stand at higher water. This special feature is called a(n)（）.

Which one is NOT the ‘clear grounds’ for a more detailed inspection?（） the master and the chief engineer are unable to communicate effectively。 serious corrosion on the hull。 damaged sanitary pump。 one page missing in the oil record book。 FA4断路器由哪些主要部件组成？作用是什么？ 访问一次内存储器所花的时间称为（）。 Which one is NOT the ‘clear grounds’ for a more detailed inspection?（） absence of engine log book。 serious corrosion on the hull。 one page missing in the oil record book。 paint peeling off some tailings in engine room。 油泵打压时间过长，可能有哪些原因？ In some parts of the world there is often a slight fall in tide during the middle of the high water period. The effect is to create a longer period of stand at higher water. This special feature is called a(n)（）.