内扇是一个汉语词语，读音是nèi shàn，是指宫扇。
无论是内扇还是中扇，水道都特别发育，而且水道游荡作用明显。
The channel deposits are especially well developed in both upper and middle fans, and their sequences are very clear.
温暖潮湿的古气候条件。 从储集层角度看，厚层内扇主沟道和中扇辫状沟道应是隐蔽油气藏的勘探目标。
The thick main groove sediment in inner fan and braided groove in middle fan are play targets for subtle reservoir.
所以假如一天内只有一群人通过一扇大门，监控器却会觉得这条大门很繁忙，因为几秒内就有一群人使用它。
So a camera watching a gate through which only a dozen people pass each day would appear to be a much busier gate, with a dozen people using it in a few seconds.
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