常見例句Rudolph was sailing near a dangerous, roky place and the closed port was four hours away. 魯?shù)婪蛘叫杏诮咏粋€危險多巖的地方，而距離最近的港口，還有四個小時的航程。Consequently, it is often necessary to close a series of basins by means of sluices and thus maintain a constant water level in the closed port section. 因此有必要使用泄水閘來封閉一些港區(qū)，以保持封閉港區(qū)中的水位。If closed port pressure exceeds open pressure ,ball may be forced off of the seat ring whhich could allow mixing from all ports. 如果關(guān)閉端口壓力超過開啟端口壓力，球可能會被壓出能夠混合所有端口流體的閥座環(huán)。If closed port pressure exceeds open port pressure, ball may be forced off of the seat ring which could allow mixing from all ports. 如果關(guān)閉端口壓力超過開啟端口壓力，球可能會被壓出能夠混合所有端口流體的閥座環(huán)。Rudolph was sailing near a dangerous, rocky place and the closest port was four hours away. 魯?shù)婪蛘叫杏诮咏粋€危險多巖的地方,而距離最近的港口,還有四個小時的航程。Consequently, it is often necessary to close a series of basins by means of sluices and thus maintain a constant water level in the closed port section. In tidal ports, depths are almost always calculated with the lowest low water line as zero line. 因此有必要使用泄水閘來封閉一些港區(qū)，以保持封閉港區(qū)中的水位。在潮汐式港口，將最低水位計作零水位。 返回 closed port