canal lock
... drawerful 一抽屉之量 drawgate 运河闸门 drawgear 驮马之挽具 ...
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运河水闸门 head gate
两个液压钢制闸门抬高,以将贡多拉与运河盆地里的水隔离开。
Two hydraulic steel gates are raised, so as to seal the gondola off from the water in the canal basin.
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