船闸 船閘

    chuánzhá

    1. Nounnavigation lock

    货轮经过船闸时,水位会自动升降。Huòlún jīngguò chuánzhá shí, shuǐwèi huì zìdòng shēngjiàng.As the cargo ship passed through the navigation lock, the water level automatically rose and fell.