| 释义 |
船闸chuánzhá使船只能在河道上水位差较大的地段通行的水工建筑物,由闸室和两端的闸门构成。船只驶入闸室后,关闭后闸门,调节水位,使与前面航道的水位相平或接近,然后开启前闸门,船只就驶出闸室而前进。{lock; facility built on a river section with a large drop, consisting of gates and sluices; When a ship or boat enters the bay of the lock, the back gate is closed and the water level within is adjusted to the water level in front. Then the front gate is opened to allow the ship or boat to sail out.} |