All the doors have been bricked up to deter vandals.所有的门都用砖堵了起来,防止破坏分子闯入。The seat - covers on the train had been ripped by vandals.火车上的座位套子被破坏公物者故意撕破.The windows are covered with grilles to deter vandals.窗戶都安上了铁柵栏,以防止故意破...
Both housings are waterproof to a depth of two metres.两个机罩的防水深度均为两米。These are the engine housings.这是发动机机壳.The diaphragm was clamped between two support housings.隔膜被夹紧在两个支承套之间....